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Finding the Fourth Proportional to 655,344.56, 904,654.22 and 440,609.10

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Solution

The fourth proportional to 655,344.56, 904,654.22 and 440,609.10 is: 608,227.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,344.56 : 904,654.22 = 440,609.10 : x
  2. Step 2: Convert to fraction form
    655,344.56/904,654.22 = 440,609.10/x
  3. Step 3: Cross multiply
    655,344.56x = 904,654.22 × 440,609.10
  4. Step 4: Simplify right side
    655,344.56x = 398,598,879,482.36
  5. Step 5: Solve for x
    x = 398,598,879,482.36/655,344.56
  6. Step 6: Final answer
    x = 608,227.96

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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.