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Finding the Fourth Proportional to 442,081.60, 610,072.40 and 240,877.60

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Solution

The fourth proportional to 442,081.60, 610,072.40 and 240,877.60 is: 332,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,081.60 : 610,072.40 = 240,877.60 : x
  2. Step 2: Convert to fraction form
    442,081.60/610,072.40 = 240,877.60/x
  3. Step 3: Cross multiply
    442,081.60x = 610,072.40 × 240,877.60
  4. Step 4: Simplify right side
    442,081.60x = 146,952,775,538.24
  5. Step 5: Solve for x
    x = 146,952,775,538.24/442,081.60
  6. Step 6: Final answer
    x = 332,410.97

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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.