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Finding the Fourth Proportional to 269,151.80, 403,727.70 and 251,526.20

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Solution

The fourth proportional to 269,151.80, 403,727.70 and 251,526.20 is: 377,289.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,151.80 : 403,727.70 = 251,526.20 : x
  2. Step 2: Convert to fraction form
    269,151.80/403,727.70 = 251,526.20/x
  3. Step 3: Cross multiply
    269,151.80x = 403,727.70 × 251,526.20
  4. Step 4: Simplify right side
    269,151.80x = 101,548,094,215.74
  5. Step 5: Solve for x
    x = 101,548,094,215.74/269,151.80
  6. Step 6: Final answer
    x = 377,289.30

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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.