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Finding the Fourth Proportional to 442,417.38, 610,536.59 and 241,213.38

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Solution

The fourth proportional to 442,417.38, 610,536.59 and 241,213.38 is: 332,874.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,417.38 : 610,536.59 = 241,213.38 : x
  2. Step 2: Convert to fraction form
    442,417.38/610,536.59 = 241,213.38/x
  3. Step 3: Cross multiply
    442,417.38x = 610,536.59 × 241,213.38
  4. Step 4: Simplify right side
    442,417.38x = 147,269,594,487.57
  5. Step 5: Solve for x
    x = 147,269,594,487.57/442,417.38
  6. Step 6: Final answer
    x = 332,874.79

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Half scale
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Double scale
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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.