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Finding the Fourth Proportional to 353,314.56, 487,529.84 and 238,842.27

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Solution

The fourth proportional to 353,314.56, 487,529.84 and 238,842.27 is: 329,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,314.56 : 487,529.84 = 238,842.27 : x
  2. Step 2: Convert to fraction form
    353,314.56/487,529.84 = 238,842.27/x
  3. Step 3: Cross multiply
    353,314.56x = 487,529.84 × 238,842.27
  4. Step 4: Simplify right side
    353,314.56x = 116,442,732,931.96
  5. Step 5: Solve for x
    x = 116,442,732,931.96/353,314.56
  6. Step 6: Final answer
    x = 329,572.42

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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.