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Finding the Fourth Proportional to 248,281.83, 371,704.64 and 222,642.90

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Solution

The fourth proportional to 248,281.83, 371,704.64 and 222,642.90 is: 333,320.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,281.83 : 371,704.64 = 222,642.90 : x
  2. Step 2: Convert to fraction form
    248,281.83/371,704.64 = 222,642.90/x
  3. Step 3: Cross multiply
    248,281.83x = 371,704.64 × 222,642.90
  4. Step 4: Simplify right side
    248,281.83x = 82,757,397,879.84
  5. Step 5: Solve for x
    x = 82,757,397,879.84/248,281.83
  6. Step 6: Final answer
    x = 333,320.40

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1.5x scale

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.