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Finding the Fourth Proportional to 532,938.96, 735,497.70 and 303,505.96

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Solution

The fourth proportional to 532,938.96, 735,497.70 and 303,505.96 is: 418,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,938.96 : 735,497.70 = 303,505.96 : x
  2. Step 2: Convert to fraction form
    532,938.96/735,497.70 = 303,505.96/x
  3. Step 3: Cross multiply
    532,938.96x = 735,497.70 × 303,505.96
  4. Step 4: Simplify right side
    532,938.96x = 223,227,932,539.40
  5. Step 5: Solve for x
    x = 223,227,932,539.40/532,938.96
  6. Step 6: Final answer
    x = 418,862.10

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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.