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Finding the Fourth Proportional to 269,678.10, 404,630.55 and 144,873.30

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Solution

The fourth proportional to 269,678.10, 404,630.55 and 144,873.30 is: 217,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,678.10 : 404,630.55 = 144,873.30 : x
  2. Step 2: Convert to fraction form
    269,678.10/404,630.55 = 144,873.30/x
  3. Step 3: Cross multiply
    269,678.10x = 404,630.55 × 144,873.30
  4. Step 4: Simplify right side
    269,678.10x = 58,620,163,059.32
  5. Step 5: Solve for x
    x = 58,620,163,059.32/269,678.10
  6. Step 6: Final answer
    x = 217,370.87

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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.