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Finding the Fourth Proportional to 618,497.10, 927,453.24 and 239,595.30

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Solution

The fourth proportional to 618,497.10, 927,453.24 and 239,595.30 is: 359,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,497.10 : 927,453.24 = 239,595.30 : x
  2. Step 2: Convert to fraction form
    618,497.10/927,453.24 = 239,595.30/x
  3. Step 3: Cross multiply
    618,497.10x = 927,453.24 × 239,595.30
  4. Step 4: Simplify right side
    618,497.10x = 222,213,437,273.77
  5. Step 5: Solve for x
    x = 222,213,437,273.77/618,497.10
  6. Step 6: Final answer
    x = 359,279.68

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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.