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Finding the Fourth Proportional to 321,952.61, 444,204.59 and 201,216.56

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Solution

The fourth proportional to 321,952.61, 444,204.59 and 201,216.56 is: 277,622.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,952.61 : 444,204.59 = 201,216.56 : x
  2. Step 2: Convert to fraction form
    321,952.61/444,204.59 = 201,216.56/x
  3. Step 3: Cross multiply
    321,952.61x = 444,204.59 × 201,216.56
  4. Step 4: Simplify right side
    321,952.61x = 89,381,316,308.90
  5. Step 5: Solve for x
    x = 89,381,316,308.90/321,952.61
  6. Step 6: Final answer
    x = 277,622.58

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1.5x scale

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.