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Finding the Fourth Proportional to 356,340.96, 534,524.40 and 119,691.36

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Solution

The fourth proportional to 356,340.96, 534,524.40 and 119,691.36 is: 179,541.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,340.96 : 534,524.40 = 119,691.36 : x
  2. Step 2: Convert to fraction form
    356,340.96/534,524.40 = 119,691.36/x
  3. Step 3: Cross multiply
    356,340.96x = 534,524.40 × 119,691.36
  4. Step 4: Simplify right side
    356,340.96x = 63,977,952,389.18
  5. Step 5: Solve for x
    x = 63,977,952,389.18/356,340.96
  6. Step 6: Final answer
    x = 179,541.39

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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.