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Finding the Fourth Proportional to 445,778.25, 615,184.79 and 244,574.25

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Solution

The fourth proportional to 445,778.25, 615,184.79 and 244,574.25 is: 337,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,778.25 : 615,184.79 = 244,574.25 : x
  2. Step 2: Convert to fraction form
    445,778.25/615,184.79 = 244,574.25/x
  3. Step 3: Cross multiply
    445,778.25x = 615,184.79 × 244,574.25
  4. Step 4: Simplify right side
    445,778.25x = 150,458,357,402.79
  5. Step 5: Solve for x
    x = 150,458,357,402.79/445,778.25
  6. Step 6: Final answer
    x = 337,518.39

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Similar ratio
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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.