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Finding the Fourth Proportional to 655,248.41, 904,521.78 and 440,513.00

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Solution

The fourth proportional to 655,248.41, 904,521.78 and 440,513.00 is: 608,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,248.41 : 904,521.78 = 440,513.00 : x
  2. Step 2: Convert to fraction form
    655,248.41/904,521.78 = 440,513.00/x
  3. Step 3: Cross multiply
    655,248.41x = 904,521.78 × 440,513.00
  4. Step 4: Simplify right side
    655,248.41x = 398,453,598,350.53
  5. Step 5: Solve for x
    x = 398,453,598,350.53/655,248.41
  6. Step 6: Final answer
    x = 608,095.49

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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.