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Finding the Fourth Proportional to 432,071.32, 596,291.88 and 238,516.96

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Solution

The fourth proportional to 432,071.32, 596,291.88 and 238,516.96 is: 329,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,071.32 : 596,291.88 = 238,516.96 : x
  2. Step 2: Convert to fraction form
    432,071.32/596,291.88 = 238,516.96/x
  3. Step 3: Cross multiply
    432,071.32x = 596,291.88 × 238,516.96
  4. Step 4: Simplify right side
    432,071.32x = 142,225,726,490.29
  5. Step 5: Solve for x
    x = 142,225,726,490.29/432,071.32
  6. Step 6: Final answer
    x = 329,171.87

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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.