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Finding the Fourth Proportional to 499,332.67, 748,802.04 and 215,044.54

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Solution

The fourth proportional to 499,332.67, 748,802.04 and 215,044.54 is: 322,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,332.67 : 748,802.04 = 215,044.54 : x
  2. Step 2: Convert to fraction form
    499,332.67/748,802.04 = 215,044.54/x
  3. Step 3: Cross multiply
    499,332.67x = 748,802.04 × 215,044.54
  4. Step 4: Simplify right side
    499,332.67x = 161,025,787,564.44
  5. Step 5: Solve for x
    x = 161,025,787,564.44/499,332.67
  6. Step 6: Final answer
    x = 322,481.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.