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Finding the Fourth Proportional to 445,849.92, 615,271.20 and 244,649.28

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Solution

The fourth proportional to 445,849.92, 615,271.20 and 244,649.28 is: 337,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,849.92 : 615,271.20 = 244,649.28 : x
  2. Step 2: Convert to fraction form
    445,849.92/615,271.20 = 244,649.28/x
  3. Step 3: Cross multiply
    445,849.92x = 615,271.20 × 244,649.28
  4. Step 4: Simplify right side
    445,849.92x = 150,525,656,084.74
  5. Step 5: Solve for x
    x = 150,525,656,084.74/445,849.92
  6. Step 6: Final answer
    x = 337,615.08

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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.