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Finding the Fourth Proportional to 524,003.88, 786,171.89 and 187,037.07

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Solution

The fourth proportional to 524,003.88, 786,171.89 and 187,037.07 is: 280,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,003.88 : 786,171.89 = 187,037.07 : x
  2. Step 2: Convert to fraction form
    524,003.88/786,171.89 = 187,037.07/x
  3. Step 3: Cross multiply
    524,003.88x = 786,171.89 × 187,037.07
  4. Step 4: Simplify right side
    524,003.88x = 147,043,285,886.78
  5. Step 5: Solve for x
    x = 147,043,285,886.78/524,003.88
  6. Step 6: Final answer
    x = 280,614.88

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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.