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Finding the Fourth Proportional to 531,545.32, 732,936.60 and 434,447.80

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Solution

The fourth proportional to 531,545.32, 732,936.60 and 434,447.80 is: 599,050.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,545.32 : 732,936.60 = 434,447.80 : x
  2. Step 2: Convert to fraction form
    531,545.32/732,936.60 = 434,447.80/x
  3. Step 3: Cross multiply
    531,545.32x = 732,936.60 × 434,447.80
  4. Step 4: Simplify right side
    531,545.32x = 318,422,693,409.48
  5. Step 5: Solve for x
    x = 318,422,693,409.48/531,545.32
  6. Step 6: Final answer
    x = 599,050.88

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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.