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Finding the Fourth Proportional to 479,763.72, 662,084.28 and 264,917.52

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Solution

The fourth proportional to 479,763.72, 662,084.28 and 264,917.52 is: 365,591.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,763.72 : 662,084.28 = 264,917.52 : x
  2. Step 2: Convert to fraction form
    479,763.72/662,084.28 = 264,917.52/x
  3. Step 3: Cross multiply
    479,763.72x = 662,084.28 × 264,917.52
  4. Step 4: Simplify right side
    479,763.72x = 175,397,725,488.59
  5. Step 5: Solve for x
    x = 175,397,725,488.59/479,763.72
  6. Step 6: Final answer
    x = 365,591.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.