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Finding the Fourth Proportional to 898,272.60, 1,347,408.90 and 267,104.40

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Solution

The fourth proportional to 898,272.60, 1,347,408.90 and 267,104.40 is: 400,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,272.60 : 1,347,408.90 = 267,104.40 : x
  2. Step 2: Convert to fraction form
    898,272.60/1,347,408.90 = 267,104.40/x
  3. Step 3: Cross multiply
    898,272.60x = 1,347,408.90 × 267,104.40
  4. Step 4: Simplify right side
    898,272.60x = 359,898,845,789.16
  5. Step 5: Solve for x
    x = 359,898,845,789.16/898,272.60
  6. Step 6: Final answer
    x = 400,656.60

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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.