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Finding the Fourth Proportional to 442,766.20, 611,024.16 and 241,562.20

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Solution

The fourth proportional to 442,766.20, 611,024.16 and 241,562.20 is: 333,359.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,766.20 : 611,024.16 = 241,562.20 : x
  2. Step 2: Convert to fraction form
    442,766.20/611,024.16 = 241,562.20/x
  3. Step 3: Cross multiply
    442,766.20x = 611,024.16 × 241,562.20
  4. Step 4: Simplify right side
    442,766.20x = 147,600,340,342.75
  5. Step 5: Solve for x
    x = 147,600,340,342.75/442,766.20
  6. Step 6: Final answer
    x = 333,359.55

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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.