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Finding the Fourth Proportional to 488,385.65, 732,649.31 and 151,453.39

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Solution

The fourth proportional to 488,385.65, 732,649.31 and 151,453.39 is: 227,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,385.65 : 732,649.31 = 151,453.39 : x
  2. Step 2: Convert to fraction form
    488,385.65/732,649.31 = 151,453.39/x
  3. Step 3: Cross multiply
    488,385.65x = 732,649.31 × 151,453.39
  4. Step 4: Simplify right side
    488,385.65x = 110,962,220,227.67
  5. Step 5: Solve for x
    x = 110,962,220,227.67/488,385.65
  6. Step 6: Final answer
    x = 227,202.05

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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.