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Finding the Fourth Proportional to 615,049.16, 922,568.20 and 194,325

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Solution

The fourth proportional to 615,049.16, 922,568.20 and 194,325 is: 291,485.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,049.16 : 922,568.20 = 194,325 : x
  2. Step 2: Convert to fraction form
    615,049.16/922,568.20 = 194,325/x
  3. Step 3: Cross multiply
    615,049.16x = 922,568.20 × 194,325
  4. Step 4: Simplify right side
    615,049.16x = 179,278,065,465
  5. Step 5: Solve for x
    x = 179,278,065,465/615,049.16
  6. Step 6: Final answer
    x = 291,485.75

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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.