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Finding the Fourth Proportional to 340,757.56, 470,248.69 and 187,801.30

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Solution

The fourth proportional to 340,757.56, 470,248.69 and 187,801.30 is: 259,167.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,757.56 : 470,248.69 = 187,801.30 : x
  2. Step 2: Convert to fraction form
    340,757.56/470,248.69 = 187,801.30/x
  3. Step 3: Cross multiply
    340,757.56x = 470,248.69 × 187,801.30
  4. Step 4: Simplify right side
    340,757.56x = 88,313,312,954.05
  5. Step 5: Solve for x
    x = 88,313,312,954.05/340,757.56
  6. Step 6: Final answer
    x = 259,167.59

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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.