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Finding the Fourth Proportional to 524,909.04, 724,001.28 and 350,391.36

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Solution

The fourth proportional to 524,909.04, 724,001.28 and 350,391.36 is: 483,290.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,909.04 : 724,001.28 = 350,391.36 : x
  2. Step 2: Convert to fraction form
    524,909.04/724,001.28 = 350,391.36/x
  3. Step 3: Cross multiply
    524,909.04x = 724,001.28 × 350,391.36
  4. Step 4: Simplify right side
    524,909.04x = 253,683,793,140.94
  5. Step 5: Solve for x
    x = 253,683,793,140.94/524,909.04
  6. Step 6: Final answer
    x = 483,290.96

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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.