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Finding the Fourth Proportional to 322,232.65, 482,612.73 and 153,870.91

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Solution

The fourth proportional to 322,232.65, 482,612.73 and 153,870.91 is: 230,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,232.65 : 482,612.73 = 153,870.91 : x
  2. Step 2: Convert to fraction form
    322,232.65/482,612.73 = 153,870.91/x
  3. Step 3: Cross multiply
    322,232.65x = 482,612.73 × 153,870.91
  4. Step 4: Simplify right side
    322,232.65x = 74,260,059,942.68
  5. Step 5: Solve for x
    x = 74,260,059,942.68/322,232.65
  6. Step 6: Final answer
    x = 230,454.80

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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.