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Finding the Fourth Proportional to 322,046.57, 482,334.08 and 153,685.13

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Solution

The fourth proportional to 322,046.57, 482,334.08 and 153,685.13 is: 230,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,046.57 : 482,334.08 = 153,685.13 : x
  2. Step 2: Convert to fraction form
    322,046.57/482,334.08 = 153,685.13/x
  3. Step 3: Cross multiply
    322,046.57x = 482,334.08 × 153,685.13
  4. Step 4: Simplify right side
    322,046.57x = 74,127,573,760.77
  5. Step 5: Solve for x
    x = 74,127,573,760.77/322,046.57
  6. Step 6: Final answer
    x = 230,176.56

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1.5x scale

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.