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Finding the Fourth Proportional to 410,012.10, 615,104.55 and 173,232.90

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Solution

The fourth proportional to 410,012.10, 615,104.55 and 173,232.90 is: 259,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,012.10 : 615,104.55 = 173,232.90 : x
  2. Step 2: Convert to fraction form
    410,012.10/615,104.55 = 173,232.90/x
  3. Step 3: Cross multiply
    410,012.10x = 615,104.55 × 173,232.90
  4. Step 4: Simplify right side
    410,012.10x = 106,556,344,999.70
  5. Step 5: Solve for x
    x = 106,556,344,999.70/410,012.10
  6. Step 6: Final answer
    x = 259,885.85

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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.