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Finding the Fourth Proportional to 655,729.50, 982,937.61 and 255,820.08

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Solution

The fourth proportional to 655,729.50, 982,937.61 and 255,820.08 is: 383,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,729.50 : 982,937.61 = 255,820.08 : x
  2. Step 2: Convert to fraction form
    655,729.50/982,937.61 = 255,820.08/x
  3. Step 3: Cross multiply
    655,729.50x = 982,937.61 × 255,820.08
  4. Step 4: Simplify right side
    655,729.50x = 251,455,178,025.21
  5. Step 5: Solve for x
    x = 251,455,178,025.21/655,729.50
  6. Step 6: Final answer
    x = 383,473.94

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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.