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Finding the Fourth Proportional to 453,037.70, 680,081.49 and 243,085.70

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Solution

The fourth proportional to 453,037.70, 680,081.49 and 243,085.70 is: 364,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,037.70 : 680,081.49 = 243,085.70 : x
  2. Step 2: Convert to fraction form
    453,037.70/680,081.49 = 243,085.70/x
  3. Step 3: Cross multiply
    453,037.70x = 680,081.49 × 243,085.70
  4. Step 4: Simplify right side
    453,037.70x = 165,318,085,053.69
  5. Step 5: Solve for x
    x = 165,318,085,053.69/453,037.70
  6. Step 6: Final answer
    x = 364,910.22

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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.