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Finding the Fourth Proportional to 474,730.88, 712,070.40 and 119,744.96

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Solution

The fourth proportional to 474,730.88, 712,070.40 and 119,744.96 is: 179,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,730.88 : 712,070.40 = 119,744.96 : x
  2. Step 2: Convert to fraction form
    474,730.88/712,070.40 = 119,744.96/x
  3. Step 3: Cross multiply
    474,730.88x = 712,070.40 × 119,744.96
  4. Step 4: Simplify right side
    474,730.88x = 85,266,841,565.18
  5. Step 5: Solve for x
    x = 85,266,841,565.18/474,730.88
  6. Step 6: Final answer
    x = 179,610.90

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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.