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Finding the Fourth Proportional to 585,320.67, 877,448.52 and 225,261.90

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Solution

The fourth proportional to 585,320.67, 877,448.52 and 225,261.90 is: 337,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,320.67 : 877,448.52 = 225,261.90 : x
  2. Step 2: Convert to fraction form
    585,320.67/877,448.52 = 225,261.90/x
  3. Step 3: Cross multiply
    585,320.67x = 877,448.52 × 225,261.90
  4. Step 4: Simplify right side
    585,320.67x = 197,655,720,767.39
  5. Step 5: Solve for x
    x = 197,655,720,767.39/585,320.67
  6. Step 6: Final answer
    x = 337,687.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.