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Finding the Fourth Proportional to 442,327.38, 610,424.69 and 251,348.82

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Solution

The fourth proportional to 442,327.38, 610,424.69 and 251,348.82 is: 346,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,327.38 : 610,424.69 = 251,348.82 : x
  2. Step 2: Convert to fraction form
    442,327.38/610,424.69 = 251,348.82/x
  3. Step 3: Cross multiply
    442,327.38x = 610,424.69 × 251,348.82
  4. Step 4: Simplify right side
    442,327.38x = 153,429,524,273.62
  5. Step 5: Solve for x
    x = 153,429,524,273.62/442,327.38
  6. Step 6: Final answer
    x = 346,868.70

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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.