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Finding the Fourth Proportional to 445,947.93, 615,404.92 and 241,993.71

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Solution

The fourth proportional to 445,947.93, 615,404.92 and 241,993.71 is: 333,949.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,947.93 : 615,404.92 = 241,993.71 : x
  2. Step 2: Convert to fraction form
    445,947.93/615,404.92 = 241,993.71/x
  3. Step 3: Cross multiply
    445,947.93x = 615,404.92 × 241,993.71
  4. Step 4: Simplify right side
    445,947.93x = 148,924,119,743.05
  5. Step 5: Solve for x
    x = 148,924,119,743.05/445,947.93
  6. Step 6: Final answer
    x = 333,949.57

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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.