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Finding the Fourth Proportional to 239,720.20, 359,969.10 and 173,624.20

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Solution

The fourth proportional to 239,720.20, 359,969.10 and 173,624.20 is: 260,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,720.20 : 359,969.10 = 173,624.20 : x
  2. Step 2: Convert to fraction form
    239,720.20/359,969.10 = 173,624.20/x
  3. Step 3: Cross multiply
    239,720.20x = 359,969.10 × 173,624.20
  4. Step 4: Simplify right side
    239,720.20x = 62,499,347,012.22
  5. Step 5: Solve for x
    x = 62,499,347,012.22/239,720.20
  6. Step 6: Final answer
    x = 260,717.90

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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.