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Finding the Fourth Proportional to 367,641.16, 551,934 and 283,454.80

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Solution

The fourth proportional to 367,641.16, 551,934 and 283,454.80 is: 425,546.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,641.16 : 551,934 = 283,454.80 : x
  2. Step 2: Convert to fraction form
    367,641.16/551,934 = 283,454.80/x
  3. Step 3: Cross multiply
    367,641.16x = 551,934 × 283,454.80
  4. Step 4: Simplify right side
    367,641.16x = 156,448,340,203.37
  5. Step 5: Solve for x
    x = 156,448,340,203.37/367,641.16
  6. Step 6: Final answer
    x = 425,546.32

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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.