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Finding the Fourth Proportional to 898,363.90, 1,347,567.45 and 267,298.30

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Solution

The fourth proportional to 898,363.90, 1,347,567.45 and 267,298.30 is: 400,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,363.90 : 1,347,567.45 = 267,298.30 : x
  2. Step 2: Convert to fraction form
    898,363.90/1,347,567.45 = 267,298.30/x
  3. Step 3: Cross multiply
    898,363.90x = 1,347,567.45 × 267,298.30
  4. Step 4: Simplify right side
    898,363.90x = 360,202,488,520.34
  5. Step 5: Solve for x
    x = 360,202,488,520.34/898,363.90
  6. Step 6: Final answer
    x = 400,953.88

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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.