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Finding the Fourth Proportional to 528,513.93, 729,044.19 and 337,311.81

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Solution

The fourth proportional to 528,513.93, 729,044.19 and 337,311.81 is: 465,295.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,513.93 : 729,044.19 = 337,311.81 : x
  2. Step 2: Convert to fraction form
    528,513.93/729,044.19 = 337,311.81/x
  3. Step 3: Cross multiply
    528,513.93x = 729,044.19 × 337,311.81
  4. Step 4: Simplify right side
    528,513.93x = 245,915,215,298.88
  5. Step 5: Solve for x
    x = 245,915,215,298.88/528,513.93
  6. Step 6: Final answer
    x = 465,295.62

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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.