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Finding the Fourth Proportional to 252,502.92, 378,393.50 and 185,416.76

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Solution

The fourth proportional to 252,502.92, 378,393.50 and 185,416.76 is: 277,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,502.92 : 378,393.50 = 185,416.76 : x
  2. Step 2: Convert to fraction form
    252,502.92/378,393.50 = 185,416.76/x
  3. Step 3: Cross multiply
    252,502.92x = 378,393.50 × 185,416.76
  4. Step 4: Simplify right side
    252,502.92x = 70,160,496,775.06
  5. Step 5: Solve for x
    x = 70,160,496,775.06/252,502.92
  6. Step 6: Final answer
    x = 277,860.14

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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.