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Finding the Fourth Proportional to 328,932.48, 453,901.48 and 185,706.66

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Solution

The fourth proportional to 328,932.48, 453,901.48 and 185,706.66 is: 256,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,932.48 : 453,901.48 = 185,706.66 : x
  2. Step 2: Convert to fraction form
    328,932.48/453,901.48 = 185,706.66/x
  3. Step 3: Cross multiply
    328,932.48x = 453,901.48 × 185,706.66
  4. Step 4: Simplify right side
    328,932.48x = 84,292,527,819.86
  5. Step 5: Solve for x
    x = 84,292,527,819.86/328,932.48
  6. Step 6: Final answer
    x = 256,260.88

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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.