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Finding the Fourth Proportional to 615,176.64, 922,759.43 and 194,452.65

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Solution

The fourth proportional to 615,176.64, 922,759.43 and 194,452.65 is: 291,677.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,176.64 : 922,759.43 = 194,452.65 : x
  2. Step 2: Convert to fraction form
    615,176.64/922,759.43 = 194,452.65/x
  3. Step 3: Cross multiply
    615,176.64x = 922,759.43 × 194,452.65
  4. Step 4: Simplify right side
    615,176.64x = 179,433,015,503.73
  5. Step 5: Solve for x
    x = 179,433,015,503.73/615,176.64
  6. Step 6: Final answer
    x = 291,677.23

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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.