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Finding the Fourth Proportional to 442,065.60, 610,027.20 and 240,861.60

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Solution

The fourth proportional to 442,065.60, 610,027.20 and 240,861.60 is: 332,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,065.60 : 610,027.20 = 240,861.60 : x
  2. Step 2: Convert to fraction form
    442,065.60/610,027.20 = 240,861.60/x
  3. Step 3: Cross multiply
    442,065.60x = 610,027.20 × 240,861.60
  4. Step 4: Simplify right side
    442,065.60x = 146,932,127,435.52
  5. Step 5: Solve for x
    x = 146,932,127,435.52/442,065.60
  6. Step 6: Final answer
    x = 332,376.30

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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.