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Finding the Fourth Proportional to 280,610.88, 387,250.58 and 167,499.24

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Solution

The fourth proportional to 280,610.88, 387,250.58 and 167,499.24 is: 231,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,610.88 : 387,250.58 = 167,499.24 : x
  2. Step 2: Convert to fraction form
    280,610.88/387,250.58 = 167,499.24/x
  3. Step 3: Cross multiply
    280,610.88x = 387,250.58 × 167,499.24
  4. Step 4: Simplify right side
    280,610.88x = 64,864,177,839.56
  5. Step 5: Solve for x
    x = 64,864,177,839.56/280,610.88
  6. Step 6: Final answer
    x = 231,153.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.