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Finding the Fourth Proportional to 273,423.60, 410,135.40 and 173,040.30

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Solution

The fourth proportional to 273,423.60, 410,135.40 and 173,040.30 is: 259,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,423.60 : 410,135.40 = 173,040.30 : x
  2. Step 2: Convert to fraction form
    273,423.60/410,135.40 = 173,040.30/x
  3. Step 3: Cross multiply
    273,423.60x = 410,135.40 × 173,040.30
  4. Step 4: Simplify right side
    273,423.60x = 70,969,952,656.62
  5. Step 5: Solve for x
    x = 70,969,952,656.62/273,423.60
  6. Step 6: Final answer
    x = 259,560.45

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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.