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Finding the Fourth Proportional to 474,008.88, 711,125.16 and 141,576.24

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Solution

The fourth proportional to 474,008.88, 711,125.16 and 141,576.24 is: 212,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,008.88 : 711,125.16 = 141,576.24 : x
  2. Step 2: Convert to fraction form
    474,008.88/711,125.16 = 141,576.24/x
  3. Step 3: Cross multiply
    474,008.88x = 711,125.16 × 141,576.24
  4. Step 4: Simplify right side
    474,008.88x = 100,678,426,322.20
  5. Step 5: Solve for x
    x = 100,678,426,322.20/474,008.88
  6. Step 6: Final answer
    x = 212,397.76

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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.