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Finding the Fourth Proportional to 352,079.66, 527,886.18 and 127,410.88

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Solution

The fourth proportional to 352,079.66, 527,886.18 and 127,410.88 is: 191,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,079.66 : 527,886.18 = 127,410.88 : x
  2. Step 2: Convert to fraction form
    352,079.66/527,886.18 = 127,410.88/x
  3. Step 3: Cross multiply
    352,079.66x = 527,886.18 × 127,410.88
  4. Step 4: Simplify right side
    352,079.66x = 67,258,442,733.64
  5. Step 5: Solve for x
    x = 67,258,442,733.64/352,079.66
  6. Step 6: Final answer
    x = 191,031.89

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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.