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Finding the Fourth Proportional to 366,928.68, 550,470.78 and 117,785.64

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Solution

The fourth proportional to 366,928.68, 550,470.78 and 117,785.64 is: 176,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,928.68 : 550,470.78 = 117,785.64 : x
  2. Step 2: Convert to fraction form
    366,928.68/550,470.78 = 117,785.64/x
  3. Step 3: Cross multiply
    366,928.68x = 550,470.78 × 117,785.64
  4. Step 4: Simplify right side
    366,928.68x = 64,837,553,123.60
  5. Step 5: Solve for x
    x = 64,837,553,123.60/366,928.68
  6. Step 6: Final answer
    x = 176,703.42

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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.