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Finding the Fourth Proportional to 655,252.40, 904,527.28 and 440,517.04

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Solution

The fourth proportional to 655,252.40, 904,527.28 and 440,517.04 is: 608,101.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,252.40 : 904,527.28 = 440,517.04 : x
  2. Step 2: Convert to fraction form
    655,252.40/904,527.28 = 440,517.04/x
  3. Step 3: Cross multiply
    655,252.40x = 904,527.28 × 440,517.04
  4. Step 4: Simplify right side
    655,252.40x = 398,459,679,984.85
  5. Step 5: Solve for x
    x = 398,459,679,984.85/655,252.40
  6. Step 6: Final answer
    x = 608,101.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.