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Finding the Fourth Proportional to 575,114.90, 862,672.35 and 154,433.30

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Solution

The fourth proportional to 575,114.90, 862,672.35 and 154,433.30 is: 231,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,114.90 : 862,672.35 = 154,433.30 : x
  2. Step 2: Convert to fraction form
    575,114.90/862,672.35 = 154,433.30/x
  3. Step 3: Cross multiply
    575,114.90x = 862,672.35 × 154,433.30
  4. Step 4: Simplify right side
    575,114.90x = 133,225,337,829.26
  5. Step 5: Solve for x
    x = 133,225,337,829.26/575,114.90
  6. Step 6: Final answer
    x = 231,649.95

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Similar ratio
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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.