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Finding the Fourth Proportional to 329,479.65, 454,684.32 and 178,576.65

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Solution

The fourth proportional to 329,479.65, 454,684.32 and 178,576.65 is: 246,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,479.65 : 454,684.32 = 178,576.65 : x
  2. Step 2: Convert to fraction form
    329,479.65/454,684.32 = 178,576.65/x
  3. Step 3: Cross multiply
    329,479.65x = 454,684.32 × 178,576.65
  4. Step 4: Simplify right side
    329,479.65x = 81,196,002,673.13
  5. Step 5: Solve for x
    x = 81,196,002,673.13/329,479.65
  6. Step 6: Final answer
    x = 246,437.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.