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Finding the Fourth Proportional to 250,428.44, 345,590.44 and 135,707.54

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Solution

The fourth proportional to 250,428.44, 345,590.44 and 135,707.54 is: 187,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,428.44 : 345,590.44 = 135,707.54 : x
  2. Step 2: Convert to fraction form
    250,428.44/345,590.44 = 135,707.54/x
  3. Step 3: Cross multiply
    250,428.44x = 345,590.44 × 135,707.54
  4. Step 4: Simplify right side
    250,428.44x = 46,899,226,392.70
  5. Step 5: Solve for x
    x = 46,899,226,392.70/250,428.44
  6. Step 6: Final answer
    x = 187,275.96

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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.