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Finding the Fourth Proportional to 239,260.80, 359,668.80 and 169,622.40

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Solution

The fourth proportional to 239,260.80, 359,668.80 and 169,622.40 is: 254,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,260.80 : 359,668.80 = 169,622.40 : x
  2. Step 2: Convert to fraction form
    239,260.80/359,668.80 = 169,622.40/x
  3. Step 3: Cross multiply
    239,260.80x = 359,668.80 × 169,622.40
  4. Step 4: Simplify right side
    239,260.80x = 61,007,885,061.12
  5. Step 5: Solve for x
    x = 61,007,885,061.12/239,260.80
  6. Step 6: Final answer
    x = 254,984.87

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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.