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Finding the Fourth Proportional to 615,177.64, 922,760.92 and 194,453.65

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Solution

The fourth proportional to 615,177.64, 922,760.92 and 194,453.65 is: 291,678.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,177.64 : 922,760.92 = 194,453.65 : x
  2. Step 2: Convert to fraction form
    615,177.64/922,760.92 = 194,453.65/x
  3. Step 3: Cross multiply
    615,177.64x = 922,760.92 × 194,453.65
  4. Step 4: Simplify right side
    615,177.64x = 179,434,228,971.36
  5. Step 5: Solve for x
    x = 179,434,228,971.36/615,177.64
  6. Step 6: Final answer
    x = 291,678.72

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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.