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Finding the Fourth Proportional to 558,714.88, 771,011.76 and 304,060.60

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Solution

The fourth proportional to 558,714.88, 771,011.76 and 304,060.60 is: 419,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,714.88 : 771,011.76 = 304,060.60 : x
  2. Step 2: Convert to fraction form
    558,714.88/771,011.76 = 304,060.60/x
  3. Step 3: Cross multiply
    558,714.88x = 771,011.76 × 304,060.60
  4. Step 4: Simplify right side
    558,714.88x = 234,434,298,352.66
  5. Step 5: Solve for x
    x = 234,434,298,352.66/558,714.88
  6. Step 6: Final answer
    x = 419,595.59

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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.