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Finding the Fourth Proportional to 442,060.50, 610,043.49 and 240,856.50

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Solution

The fourth proportional to 442,060.50, 610,043.49 and 240,856.50 is: 332,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,060.50 : 610,043.49 = 240,856.50 : x
  2. Step 2: Convert to fraction form
    442,060.50/610,043.49 = 240,856.50/x
  3. Step 3: Cross multiply
    442,060.50x = 610,043.49 × 240,856.50
  4. Step 4: Simplify right side
    442,060.50x = 146,932,939,849.19
  5. Step 5: Solve for x
    x = 146,932,939,849.19/442,060.50
  6. Step 6: Final answer
    x = 332,381.97

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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.