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Finding the Fourth Proportional to 336,322.47, 504,469.13 and 83,597.61

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Solution

The fourth proportional to 336,322.47, 504,469.13 and 83,597.61 is: 125,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,322.47 : 504,469.13 = 83,597.61 : x
  2. Step 2: Convert to fraction form
    336,322.47/504,469.13 = 83,597.61/x
  3. Step 3: Cross multiply
    336,322.47x = 504,469.13 × 83,597.61
  4. Step 4: Simplify right side
    336,322.47x = 42,172,413,168.79
  5. Step 5: Solve for x
    x = 42,172,413,168.79/336,322.47
  6. Step 6: Final answer
    x = 125,392.79

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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.