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Finding the Fourth Proportional to 374,792.73, 517,212.42 and 202,710.89

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Solution

The fourth proportional to 374,792.73, 517,212.42 and 202,710.89 is: 279,740.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,792.73 : 517,212.42 = 202,710.89 : x
  2. Step 2: Convert to fraction form
    374,792.73/517,212.42 = 202,710.89/x
  3. Step 3: Cross multiply
    374,792.73x = 517,212.42 × 202,710.89
  4. Step 4: Simplify right side
    374,792.73x = 104,844,587,391.19
  5. Step 5: Solve for x
    x = 104,844,587,391.19/374,792.73
  6. Step 6: Final answer
    x = 279,740.18

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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.