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Finding the Fourth Proportional to 493,508.16, 740,262.24 and 283,279.68

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Solution

The fourth proportional to 493,508.16, 740,262.24 and 283,279.68 is: 424,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,508.16 : 740,262.24 = 283,279.68 : x
  2. Step 2: Convert to fraction form
    493,508.16/740,262.24 = 283,279.68/x
  3. Step 3: Cross multiply
    493,508.16x = 740,262.24 × 283,279.68
  4. Step 4: Simplify right side
    493,508.16x = 209,701,250,463.28
  5. Step 5: Solve for x
    x = 209,701,250,463.28/493,508.16
  6. Step 6: Final answer
    x = 424,919.52

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.