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Finding the Fourth Proportional to 524,034.18, 786,217.41 and 187,067.61

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Solution

The fourth proportional to 524,034.18, 786,217.41 and 187,067.61 is: 280,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,034.18 : 786,217.41 = 187,067.61 : x
  2. Step 2: Convert to fraction form
    524,034.18/786,217.41 = 187,067.61/x
  3. Step 3: Cross multiply
    524,034.18x = 786,217.41 × 187,067.61
  4. Step 4: Simplify right side
    524,034.18x = 147,075,811,829.09
  5. Step 5: Solve for x
    x = 147,075,811,829.09/524,034.18
  6. Step 6: Final answer
    x = 280,660.72

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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.