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Finding the Fourth Proportional to 261,488.57, 360,933.12 and 226,059.17

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Solution

The fourth proportional to 261,488.57, 360,933.12 and 226,059.17 is: 312,029.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,488.57 : 360,933.12 = 226,059.17 : x
  2. Step 2: Convert to fraction form
    261,488.57/360,933.12 = 226,059.17/x
  3. Step 3: Cross multiply
    261,488.57x = 360,933.12 × 226,059.17
  4. Step 4: Simplify right side
    261,488.57x = 81,592,239,728.04
  5. Step 5: Solve for x
    x = 81,592,239,728.04/261,488.57
  6. Step 6: Final answer
    x = 312,029.86

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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.