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Finding the Fourth Proportional to 898,077.20, 1,347,310.20 and 267,054.80

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Solution

The fourth proportional to 898,077.20, 1,347,310.20 and 267,054.80 is: 400,640.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,077.20 : 1,347,310.20 = 267,054.80 : x
  2. Step 2: Convert to fraction form
    898,077.20/1,347,310.20 = 267,054.80/x
  3. Step 3: Cross multiply
    898,077.20x = 1,347,310.20 × 267,054.80
  4. Step 4: Simplify right side
    898,077.20x = 359,805,655,998.96
  5. Step 5: Solve for x
    x = 359,805,655,998.96/898,077.20
  6. Step 6: Final answer
    x = 400,640.01

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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.