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Finding the Fourth Proportional to 234,637.98, 322,601.43 and 208,899.42

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Solution

The fourth proportional to 234,637.98, 322,601.43 and 208,899.42 is: 287,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,637.98 : 322,601.43 = 208,899.42 : x
  2. Step 2: Convert to fraction form
    234,637.98/322,601.43 = 208,899.42/x
  3. Step 3: Cross multiply
    234,637.98x = 322,601.43 × 208,899.42
  4. Step 4: Simplify right side
    234,637.98x = 67,391,251,618.17
  5. Step 5: Solve for x
    x = 67,391,251,618.17/234,637.98
  6. Step 6: Final answer
    x = 287,213.74

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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.