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Finding the Fourth Proportional to 543,591.78, 750,179.30 and 301,876.34

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Solution

The fourth proportional to 543,591.78, 750,179.30 and 301,876.34 is: 416,601.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,591.78 : 750,179.30 = 301,876.34 : x
  2. Step 2: Convert to fraction form
    543,591.78/750,179.30 = 301,876.34/x
  3. Step 3: Cross multiply
    543,591.78x = 750,179.30 × 301,876.34
  4. Step 4: Simplify right side
    543,591.78x = 226,461,381,427.76
  5. Step 5: Solve for x
    x = 226,461,381,427.76/543,591.78
  6. Step 6: Final answer
    x = 416,601.92

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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.