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Finding the Fourth Proportional to 488,334.80, 731,627.40 and 301,127.60

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Solution

The fourth proportional to 488,334.80, 731,627.40 and 301,127.60 is: 451,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,334.80 : 731,627.40 = 301,127.60 : x
  2. Step 2: Convert to fraction form
    488,334.80/731,627.40 = 301,127.60/x
  3. Step 3: Cross multiply
    488,334.80x = 731,627.40 × 301,127.60
  4. Step 4: Simplify right side
    488,334.80x = 220,313,203,056.24
  5. Step 5: Solve for x
    x = 220,313,203,056.24/488,334.80
  6. Step 6: Final answer
    x = 451,151.96

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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.