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Finding the Fourth Proportional to 624,281.46, 861,505.64 and 337,806.60

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Solution

The fourth proportional to 624,281.46, 861,505.64 and 337,806.60 is: 466,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,281.46 : 861,505.64 = 337,806.60 : x
  2. Step 2: Convert to fraction form
    624,281.46/861,505.64 = 337,806.60/x
  3. Step 3: Cross multiply
    624,281.46x = 861,505.64 × 337,806.60
  4. Step 4: Simplify right side
    624,281.46x = 291,022,291,129.22
  5. Step 5: Solve for x
    x = 291,022,291,129.22/624,281.46
  6. Step 6: Final answer
    x = 466,171.61

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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.