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Finding the Fourth Proportional to 442,279.97, 610,199.53 and 360,467.54

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Solution

The fourth proportional to 442,279.97, 610,199.53 and 360,467.54 is: 497,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,279.97 : 610,199.53 = 360,467.54 : x
  2. Step 2: Convert to fraction form
    442,279.97/610,199.53 = 360,467.54/x
  3. Step 3: Cross multiply
    442,279.97x = 610,199.53 × 360,467.54
  4. Step 4: Simplify right side
    442,279.97x = 219,957,121,685.92
  5. Step 5: Solve for x
    x = 219,957,121,685.92/442,279.97
  6. Step 6: Final answer
    x = 497,325.53

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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.