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Finding the Fourth Proportional to 445,823.67, 615,236.67 and 254,841.20

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Solution

The fourth proportional to 445,823.67, 615,236.67 and 254,841.20 is: 351,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,823.67 : 615,236.67 = 254,841.20 : x
  2. Step 2: Convert to fraction form
    445,823.67/615,236.67 = 254,841.20/x
  3. Step 3: Cross multiply
    445,823.67x = 615,236.67 × 254,841.20
  4. Step 4: Simplify right side
    445,823.67x = 156,787,648,190.62
  5. Step 5: Solve for x
    x = 156,787,648,190.62/445,823.67
  6. Step 6: Final answer
    x = 351,680.85

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1.5x scale

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.