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Finding the Fourth Proportional to 898,070.63, 1,347,617.14 and 329,375.90

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Solution

The fourth proportional to 898,070.63, 1,347,617.14 and 329,375.90 is: 494,251.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,070.63 : 1,347,617.14 = 329,375.90 : x
  2. Step 2: Convert to fraction form
    898,070.63/1,347,617.14 = 329,375.90/x
  3. Step 3: Cross multiply
    898,070.63x = 1,347,617.14 × 329,375.90
  4. Step 4: Simplify right side
    898,070.63x = 443,872,610,888.53
  5. Step 5: Solve for x
    x = 443,872,610,888.53/898,070.63
  6. Step 6: Final answer
    x = 494,251.34

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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.