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Finding the Fourth Proportional to 503,037.20, 754,296.60 and 187,331.60

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Solution

The fourth proportional to 503,037.20, 754,296.60 and 187,331.60 is: 280,900.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,037.20 : 754,296.60 = 187,331.60 : x
  2. Step 2: Convert to fraction form
    503,037.20/754,296.60 = 187,331.60/x
  3. Step 3: Cross multiply
    503,037.20x = 754,296.60 × 187,331.60
  4. Step 4: Simplify right side
    503,037.20x = 141,303,588,952.56
  5. Step 5: Solve for x
    x = 141,303,588,952.56/503,037.20
  6. Step 6: Final answer
    x = 280,900.87

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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.