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Finding the Fourth Proportional to 367,648.47, 551,944.98 and 283,462.11

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Solution

The fourth proportional to 367,648.47, 551,944.98 and 283,462.11 is: 425,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,648.47 : 551,944.98 = 283,462.11 : x
  2. Step 2: Convert to fraction form
    367,648.47/551,944.98 = 283,462.11/x
  3. Step 3: Cross multiply
    367,648.47x = 551,944.98 × 283,462.11
  4. Step 4: Simplify right side
    367,648.47x = 156,455,488,634.71
  5. Step 5: Solve for x
    x = 156,455,488,634.71/367,648.47
  6. Step 6: Final answer
    x = 425,557.30

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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.