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Finding the Fourth Proportional to 655,252.57, 904,527.57 and 440,517.18

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Solution

The fourth proportional to 655,252.57, 904,527.57 and 440,517.18 is: 608,101.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,252.57 : 904,527.57 = 440,517.18 : x
  2. Step 2: Convert to fraction form
    655,252.57/904,527.57 = 440,517.18/x
  3. Step 3: Cross multiply
    655,252.57x = 904,527.57 × 440,517.18
  4. Step 4: Simplify right side
    655,252.57x = 398,459,934,368.65
  5. Step 5: Solve for x
    x = 398,459,934,368.65/655,252.57
  6. Step 6: Final answer
    x = 608,101.29

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1.5x scale

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.