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Finding the Fourth Proportional to 615,578.33, 922,967.76 and 255,650.38

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Solution

The fourth proportional to 615,578.33, 922,967.76 and 255,650.38 is: 383,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,578.33 : 922,967.76 = 255,650.38 : x
  2. Step 2: Convert to fraction form
    615,578.33/922,967.76 = 255,650.38/x
  3. Step 3: Cross multiply
    615,578.33x = 922,967.76 × 255,650.38
  4. Step 4: Simplify right side
    615,578.33x = 235,957,057,223.02
  5. Step 5: Solve for x
    x = 235,957,057,223.02/615,578.33
  6. Step 6: Final answer
    x = 383,309.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.