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Finding the Fourth Proportional to 898,322.90, 1,347,505.95 and 267,257.30

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Solution

The fourth proportional to 898,322.90, 1,347,505.95 and 267,257.30 is: 400,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,322.90 : 1,347,505.95 = 267,257.30 : x
  2. Step 2: Convert to fraction form
    898,322.90/1,347,505.95 = 267,257.30/x
  3. Step 3: Cross multiply
    898,322.90x = 1,347,505.95 × 267,257.30
  4. Step 4: Simplify right side
    898,322.90x = 360,130,801,930.94
  5. Step 5: Solve for x
    x = 360,130,801,930.94/898,322.90
  6. Step 6: Final answer
    x = 400,892.38

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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.