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Finding the Fourth Proportional to 410,234.80, 615,352.20 and 410,234.80

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Solution

The fourth proportional to 410,234.80, 615,352.20 and 410,234.80 is: 615,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,234.80 : 615,352.20 = 410,234.80 : x
  2. Step 2: Convert to fraction form
    410,234.80/615,352.20 = 410,234.80/x
  3. Step 3: Cross multiply
    410,234.80x = 615,352.20 × 410,234.80
  4. Step 4: Simplify right side
    410,234.80x = 252,438,886,696.56
  5. Step 5: Solve for x
    x = 252,438,886,696.56/410,234.80
  6. Step 6: Final answer
    x = 615,352.20

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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.