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Finding the Fourth Proportional to 578,141.73, 866,714.24 and 223,404.66

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Solution

The fourth proportional to 578,141.73, 866,714.24 and 223,404.66 is: 334,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,141.73 : 866,714.24 = 223,404.66 : x
  2. Step 2: Convert to fraction form
    578,141.73/866,714.24 = 223,404.66/x
  3. Step 3: Cross multiply
    578,141.73x = 866,714.24 × 223,404.66
  4. Step 4: Simplify right side
    578,141.73x = 193,627,998,987.34
  5. Step 5: Solve for x
    x = 193,627,998,987.34/578,141.73
  6. Step 6: Final answer
    x = 334,914.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.