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Finding the Fourth Proportional to 567,177.40, 850,766.10 and 407,745.10

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Solution

The fourth proportional to 567,177.40, 850,766.10 and 407,745.10 is: 611,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,177.40 : 850,766.10 = 407,745.10 : x
  2. Step 2: Convert to fraction form
    567,177.40/850,766.10 = 407,745.10/x
  3. Step 3: Cross multiply
    567,177.40x = 850,766.10 × 407,745.10
  4. Step 4: Simplify right side
    567,177.40x = 346,895,708,521.11
  5. Step 5: Solve for x
    x = 346,895,708,521.11/567,177.40
  6. Step 6: Final answer
    x = 611,617.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.