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Finding the Fourth Proportional to 573,356.10, 859,815.45 and 173,864.10

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Solution

The fourth proportional to 573,356.10, 859,815.45 and 173,864.10 is: 260,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,356.10 : 859,815.45 = 173,864.10 : x
  2. Step 2: Convert to fraction form
    573,356.10/859,815.45 = 173,864.10/x
  3. Step 3: Cross multiply
    573,356.10x = 859,815.45 × 173,864.10
  4. Step 4: Simplify right side
    573,356.10x = 149,491,039,380.35
  5. Step 5: Solve for x
    x = 149,491,039,380.35/573,356.10
  6. Step 6: Final answer
    x = 260,729.83

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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.