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Finding the Fourth Proportional to 296,467.20, 444,700.80 and 163,278.90

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Solution

The fourth proportional to 296,467.20, 444,700.80 and 163,278.90 is: 244,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,467.20 : 444,700.80 = 163,278.90 : x
  2. Step 2: Convert to fraction form
    296,467.20/444,700.80 = 163,278.90/x
  3. Step 3: Cross multiply
    296,467.20x = 444,700.80 × 163,278.90
  4. Step 4: Simplify right side
    296,467.20x = 72,610,257,453.12
  5. Step 5: Solve for x
    x = 72,610,257,453.12/296,467.20
  6. Step 6: Final answer
    x = 244,918.35

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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.