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Finding the Fourth Proportional to 452,825.76, 679,361.13 and 153,306.30

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Solution

The fourth proportional to 452,825.76, 679,361.13 and 153,306.30 is: 230,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,825.76 : 679,361.13 = 153,306.30 : x
  2. Step 2: Convert to fraction form
    452,825.76/679,361.13 = 153,306.30/x
  3. Step 3: Cross multiply
    452,825.76x = 679,361.13 × 153,306.30
  4. Step 4: Simplify right side
    452,825.76x = 104,150,341,204.12
  5. Step 5: Solve for x
    x = 104,150,341,204.12/452,825.76
  6. Step 6: Final answer
    x = 230,000.92

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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.