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Finding the Fourth Proportional to 431,346.76, 595,260.89 and 250,166.11

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Solution

The fourth proportional to 431,346.76, 595,260.89 and 250,166.11 is: 345,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,346.76 : 595,260.89 = 250,166.11 : x
  2. Step 2: Convert to fraction form
    431,346.76/595,260.89 = 250,166.11/x
  3. Step 3: Cross multiply
    431,346.76x = 595,260.89 × 250,166.11
  4. Step 4: Simplify right side
    431,346.76x = 148,914,101,286.44
  5. Step 5: Solve for x
    x = 148,914,101,286.44/431,346.76
  6. Step 6: Final answer
    x = 345,230.60

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Double scale
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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.