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Finding the Fourth Proportional to 655,248.80, 904,522.34 and 440,513.42

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Solution

The fourth proportional to 655,248.80, 904,522.34 and 440,513.42 is: 608,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,248.80 : 904,522.34 = 440,513.42 : x
  2. Step 2: Convert to fraction form
    655,248.80/904,522.34 = 440,513.42/x
  3. Step 3: Cross multiply
    655,248.80x = 904,522.34 × 440,513.42
  4. Step 4: Simplify right side
    655,248.80x = 398,454,227,257.24
  5. Step 5: Solve for x
    x = 398,454,227,257.24/655,248.80
  6. Step 6: Final answer
    x = 608,096.08

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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.