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Finding the Fourth Proportional to 294,514.80, 441,772.20 and 144,778.20

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Solution

The fourth proportional to 294,514.80, 441,772.20 and 144,778.20 is: 217,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,514.80 : 441,772.20 = 144,778.20 : x
  2. Step 2: Convert to fraction form
    294,514.80/441,772.20 = 144,778.20/x
  3. Step 3: Cross multiply
    294,514.80x = 441,772.20 × 144,778.20
  4. Step 4: Simplify right side
    294,514.80x = 63,958,983,926.04
  5. Step 5: Solve for x
    x = 63,958,983,926.04/294,514.80
  6. Step 6: Final answer
    x = 217,167.30

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1.5x scale

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.