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Finding the Fourth Proportional to 374,737.60, 517,150.20 and 204,971.74

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Solution

The fourth proportional to 374,737.60, 517,150.20 and 204,971.74 is: 282,867.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,737.60 : 517,150.20 = 204,971.74 : x
  2. Step 2: Convert to fraction form
    374,737.60/517,150.20 = 204,971.74/x
  3. Step 3: Cross multiply
    374,737.60x = 517,150.20 × 204,971.74
  4. Step 4: Simplify right side
    374,737.60x = 106,001,176,335.35
  5. Step 5: Solve for x
    x = 106,001,176,335.35/374,737.60
  6. Step 6: Final answer
    x = 282,867.74

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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.