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Finding the Fourth Proportional to 442,123.83, 610,130.75 and 240,919.83

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Solution

The fourth proportional to 442,123.83, 610,130.75 and 240,919.83 is: 332,469.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,123.83 : 610,130.75 = 240,919.83 : x
  2. Step 2: Convert to fraction form
    442,123.83/610,130.75 = 240,919.83/x
  3. Step 3: Cross multiply
    442,123.83x = 610,130.75 × 240,919.83
  4. Step 4: Simplify right side
    442,123.83x = 146,992,595,363.17
  5. Step 5: Solve for x
    x = 146,992,595,363.17/442,123.83
  6. Step 6: Final answer
    x = 332,469.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.