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Finding the Fourth Proportional to 234,101.16, 323,282.74 and 221,349.48

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Solution

The fourth proportional to 234,101.16, 323,282.74 and 221,349.48 is: 305,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,101.16 : 323,282.74 = 221,349.48 : x
  2. Step 2: Convert to fraction form
    234,101.16/323,282.74 = 221,349.48/x
  3. Step 3: Cross multiply
    234,101.16x = 323,282.74 × 221,349.48
  4. Step 4: Simplify right side
    234,101.16x = 71,558,466,391.98
  5. Step 5: Solve for x
    x = 71,558,466,391.98/234,101.16
  6. Step 6: Final answer
    x = 305,673.27

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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.