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Finding the Fourth Proportional to 328,267.87, 453,013.11 and 185,027.92

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Solution

The fourth proportional to 328,267.87, 453,013.11 and 185,027.92 is: 255,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,267.87 : 453,013.11 = 185,027.92 : x
  2. Step 2: Convert to fraction form
    328,267.87/453,013.11 = 185,027.92/x
  3. Step 3: Cross multiply
    328,267.87x = 453,013.11 × 185,027.92
  4. Step 4: Simplify right side
    328,267.87x = 83,820,072,343.50
  5. Step 5: Solve for x
    x = 83,820,072,343.50/328,267.87
  6. Step 6: Final answer
    x = 255,340.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.