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Finding the Fourth Proportional to 488,080.80, 732,001.72 and 203,773.70

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Solution

The fourth proportional to 488,080.80, 732,001.72 and 203,773.70 is: 305,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,080.80 : 732,001.72 = 203,773.70 : x
  2. Step 2: Convert to fraction form
    488,080.80/732,001.72 = 203,773.70/x
  3. Step 3: Cross multiply
    488,080.80x = 732,001.72 × 203,773.70
  4. Step 4: Simplify right side
    488,080.80x = 149,162,698,890.76
  5. Step 5: Solve for x
    x = 149,162,698,890.76/488,080.80
  6. Step 6: Final answer
    x = 305,610.67

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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.