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Finding the Fourth Proportional to 611,817.43, 917,744.25 and 292,003.00

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Solution

The fourth proportional to 611,817.43, 917,744.25 and 292,003.00 is: 438,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,817.43 : 917,744.25 = 292,003.00 : x
  2. Step 2: Convert to fraction form
    611,817.43/917,744.25 = 292,003.00/x
  3. Step 3: Cross multiply
    611,817.43x = 917,744.25 × 292,003.00
  4. Step 4: Simplify right side
    611,817.43x = 267,984,074,793.30
  5. Step 5: Solve for x
    x = 267,984,074,793.30/611,817.43
  6. Step 6: Final answer
    x = 438,013.14

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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.