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Finding the Fourth Proportional to 410,339.10, 566,362.42 and 240,627.90

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Solution

The fourth proportional to 410,339.10, 566,362.42 and 240,627.90 is: 332,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,339.10 : 566,362.42 = 240,627.90 : x
  2. Step 2: Convert to fraction form
    410,339.10/566,362.42 = 240,627.90/x
  3. Step 3: Cross multiply
    410,339.10x = 566,362.42 × 240,627.90
  4. Step 4: Simplify right side
    410,339.10x = 136,282,599,763.52
  5. Step 5: Solve for x
    x = 136,282,599,763.52/410,339.10
  6. Step 6: Final answer
    x = 332,121.90

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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.