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Finding the Fourth Proportional to 677,331, 1,014,003.42 and 452,132.86

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Solution

The fourth proportional to 677,331, 1,014,003.42 and 452,132.86 is: 676,868.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,331 : 1,014,003.42 = 452,132.86 : x
  2. Step 2: Convert to fraction form
    677,331/1,014,003.42 = 452,132.86/x
  3. Step 3: Cross multiply
    677,331x = 1,014,003.42 × 452,132.86
  4. Step 4: Simplify right side
    677,331x = 458,464,266,334.38
  5. Step 5: Solve for x
    x = 458,464,266,334.38/677,331
  6. Step 6: Final answer
    x = 676,868.87

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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.