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Finding the Fourth Proportional to 297,854.60, 446,781.90 and 100,862.60

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Solution

The fourth proportional to 297,854.60, 446,781.90 and 100,862.60 is: 151,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,854.60 : 446,781.90 = 100,862.60 : x
  2. Step 2: Convert to fraction form
    297,854.60/446,781.90 = 100,862.60/x
  3. Step 3: Cross multiply
    297,854.60x = 446,781.90 × 100,862.60
  4. Step 4: Simplify right side
    297,854.60x = 45,063,584,066.94
  5. Step 5: Solve for x
    x = 45,063,584,066.94/297,854.60
  6. Step 6: Final answer
    x = 151,293.90

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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.