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Finding the Fourth Proportional to 310,443.17, 465,464.48 and 148,249.44

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Solution

The fourth proportional to 310,443.17, 465,464.48 and 148,249.44 is: 222,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,443.17 : 465,464.48 = 148,249.44 : x
  2. Step 2: Convert to fraction form
    310,443.17/465,464.48 = 148,249.44/x
  3. Step 3: Cross multiply
    310,443.17x = 465,464.48 × 148,249.44
  4. Step 4: Simplify right side
    310,443.17x = 69,004,847,758.64
  5. Step 5: Solve for x
    x = 69,004,847,758.64/310,443.17
  6. Step 6: Final answer
    x = 222,278.52

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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.