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Finding the Fourth Proportional to 274,501.80, 412,408.80 and 245,633.40

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Solution

The fourth proportional to 274,501.80, 412,408.80 and 245,633.40 is: 369,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,501.80 : 412,408.80 = 245,633.40 : x
  2. Step 2: Convert to fraction form
    274,501.80/412,408.80 = 245,633.40/x
  3. Step 3: Cross multiply
    274,501.80x = 412,408.80 × 245,633.40
  4. Step 4: Simplify right side
    274,501.80x = 101,301,375,733.92
  5. Step 5: Solve for x
    x = 101,301,375,733.92/274,501.80
  6. Step 6: Final answer
    x = 369,037.20

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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.