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Finding the Fourth Proportional to 615,305.70, 922,872.15 and 194,624.10

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Solution

The fourth proportional to 615,305.70, 922,872.15 and 194,624.10 is: 291,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,305.70 : 922,872.15 = 194,624.10 : x
  2. Step 2: Convert to fraction form
    615,305.70/922,872.15 = 194,624.10/x
  3. Step 3: Cross multiply
    615,305.70x = 922,872.15 × 194,624.10
  4. Step 4: Simplify right side
    615,305.70x = 179,613,161,608.82
  5. Step 5: Solve for x
    x = 179,613,161,608.82/615,305.70
  6. Step 6: Final answer
    x = 291,908.82

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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.