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Finding the Fourth Proportional to 322,682.13, 484,243.72 and 112,320.07

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Solution

The fourth proportional to 322,682.13, 484,243.72 and 112,320.07 is: 168,556.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,682.13 : 484,243.72 = 112,320.07 : x
  2. Step 2: Convert to fraction form
    322,682.13/484,243.72 = 112,320.07/x
  3. Step 3: Cross multiply
    322,682.13x = 484,243.72 × 112,320.07
  4. Step 4: Simplify right side
    322,682.13x = 54,390,287,036.05
  5. Step 5: Solve for x
    x = 54,390,287,036.05/322,682.13
  6. Step 6: Final answer
    x = 168,556.86

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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.