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Finding the Fourth Proportional to 671,150.75, 926,188.18 and 369,344.75

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Solution

The fourth proportional to 671,150.75, 926,188.18 and 369,344.75 is: 509,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,150.75 : 926,188.18 = 369,344.75 : x
  2. Step 2: Convert to fraction form
    671,150.75/926,188.18 = 369,344.75/x
  3. Step 3: Cross multiply
    671,150.75x = 926,188.18 × 369,344.75
  4. Step 4: Simplify right side
    671,150.75x = 342,082,743,187.16
  5. Step 5: Solve for x
    x = 342,082,743,187.16/671,150.75
  6. Step 6: Final answer
    x = 509,695.83

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Half scale
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Double scale
Find fourth proportional to 671,151.75, 926,189.56 and 369,345.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.