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Finding the Fourth Proportional to 529,792.47, 731,384.51 and 408,661.83

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Solution

The fourth proportional to 529,792.47, 731,384.51 and 408,661.83 is: 564,162.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,792.47 : 731,384.51 = 408,661.83 : x
  2. Step 2: Convert to fraction form
    529,792.47/731,384.51 = 408,661.83/x
  3. Step 3: Cross multiply
    529,792.47x = 731,384.51 × 408,661.83
  4. Step 4: Simplify right side
    529,792.47x = 298,888,930,246.94
  5. Step 5: Solve for x
    x = 298,888,930,246.94/529,792.47
  6. Step 6: Final answer
    x = 564,162.28

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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.