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Finding the Fourth Proportional to 331,059.60, 496,794.60 and 173,401.20

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Solution

The fourth proportional to 331,059.60, 496,794.60 and 173,401.20 is: 260,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,059.60 : 496,794.60 = 173,401.20 : x
  2. Step 2: Convert to fraction form
    331,059.60/496,794.60 = 173,401.20/x
  3. Step 3: Cross multiply
    331,059.60x = 496,794.60 × 173,401.20
  4. Step 4: Simplify right side
    331,059.60x = 86,144,779,793.52
  5. Step 5: Solve for x
    x = 86,144,779,793.52/331,059.60
  6. Step 6: Final answer
    x = 260,209.28

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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.