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Finding the Fourth Proportional to 671,414.25, 926,551.67 and 369,608.25

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Solution

The fourth proportional to 671,414.25, 926,551.67 and 369,608.25 is: 510,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,414.25 : 926,551.67 = 369,608.25 : x
  2. Step 2: Convert to fraction form
    671,414.25/926,551.67 = 369,608.25/x
  3. Step 3: Cross multiply
    671,414.25x = 926,551.67 × 369,608.25
  4. Step 4: Simplify right side
    671,414.25x = 342,461,139,435.24
  5. Step 5: Solve for x
    x = 342,461,139,435.24/671,414.25
  6. Step 6: Final answer
    x = 510,059.39

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Double scale
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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.