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Finding the Fourth Proportional to 234,856.98, 322,109.87 and 225,212.22

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Solution

The fourth proportional to 234,856.98, 322,109.87 and 225,212.22 is: 308,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,856.98 : 322,109.87 = 225,212.22 : x
  2. Step 2: Convert to fraction form
    234,856.98/322,109.87 = 225,212.22/x
  3. Step 3: Cross multiply
    234,856.98x = 322,109.87 × 225,212.22
  4. Step 4: Simplify right side
    234,856.98x = 72,543,077,780.55
  5. Step 5: Solve for x
    x = 72,543,077,780.55/234,856.98
  6. Step 6: Final answer
    x = 308,881.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.