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Finding the Fourth Proportional to 345,601.47, 518,489.59 and 96,283.47

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Solution

The fourth proportional to 345,601.47, 518,489.59 and 96,283.47 is: 144,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,601.47 : 518,489.59 = 96,283.47 : x
  2. Step 2: Convert to fraction form
    345,601.47/518,489.59 = 96,283.47/x
  3. Step 3: Cross multiply
    345,601.47x = 518,489.59 × 96,283.47
  4. Step 4: Simplify right side
    345,601.47x = 49,921,976,884.08
  5. Step 5: Solve for x
    x = 49,921,976,884.08/345,601.47
  6. Step 6: Final answer
    x = 144,449.55

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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.