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Finding the Fourth Proportional to 558,886.52, 771,267 and 304,237.64

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Solution

The fourth proportional to 558,886.52, 771,267 and 304,237.64 is: 419,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,886.52 : 771,267 = 304,237.64 : x
  2. Step 2: Convert to fraction form
    558,886.52/771,267 = 304,237.64/x
  3. Step 3: Cross multiply
    558,886.52x = 771,267 × 304,237.64
  4. Step 4: Simplify right side
    558,886.52x = 234,648,451,889.88
  5. Step 5: Solve for x
    x = 234,648,451,889.88/558,886.52
  6. Step 6: Final answer
    x = 419,849.90

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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.