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Finding the Fourth Proportional to 558,937.26, 771,307.92 and 304,287.84

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Solution

The fourth proportional to 558,937.26, 771,307.92 and 304,287.84 is: 419,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,937.26 : 771,307.92 = 304,287.84 : x
  2. Step 2: Convert to fraction form
    558,937.26/771,307.92 = 304,287.84/x
  3. Step 3: Cross multiply
    558,937.26x = 771,307.92 × 304,287.84
  4. Step 4: Simplify right side
    558,937.26x = 234,699,620,951.69
  5. Step 5: Solve for x
    x = 234,699,620,951.69/558,937.26
  6. Step 6: Final answer
    x = 419,903.34

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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.