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Finding the Fourth Proportional to 585,286.32, 877,251.78 and 269,079.60

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Solution

The fourth proportional to 585,286.32, 877,251.78 and 269,079.60 is: 403,307.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,286.32 : 877,251.78 = 269,079.60 : x
  2. Step 2: Convert to fraction form
    585,286.32/877,251.78 = 269,079.60/x
  3. Step 3: Cross multiply
    585,286.32x = 877,251.78 × 269,079.60
  4. Step 4: Simplify right side
    585,286.32x = 236,050,558,061.69
  5. Step 5: Solve for x
    x = 236,050,558,061.69/585,286.32
  6. Step 6: Final answer
    x = 403,307.83

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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.