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Finding the Fourth Proportional to 488,605.60, 674,316.64 and 270,867.52

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Solution

The fourth proportional to 488,605.60, 674,316.64 and 270,867.52 is: 373,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,605.60 : 674,316.64 = 270,867.52 : x
  2. Step 2: Convert to fraction form
    488,605.60/674,316.64 = 270,867.52/x
  3. Step 3: Cross multiply
    488,605.60x = 674,316.64 × 270,867.52
  4. Step 4: Simplify right side
    488,605.60x = 182,650,475,971.53
  5. Step 5: Solve for x
    x = 182,650,475,971.53/488,605.60
  6. Step 6: Final answer
    x = 373,819.86

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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.