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Finding the Fourth Proportional to 293,306.50, 404,762.97 and 159,170.50

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Solution

The fourth proportional to 293,306.50, 404,762.97 and 159,170.50 is: 219,655.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,306.50 : 404,762.97 = 159,170.50 : x
  2. Step 2: Convert to fraction form
    293,306.50/404,762.97 = 159,170.50/x
  3. Step 3: Cross multiply
    293,306.50x = 404,762.97 × 159,170.50
  4. Step 4: Simplify right side
    293,306.50x = 64,426,324,316.39
  5. Step 5: Solve for x
    x = 64,426,324,316.39/293,306.50
  6. Step 6: Final answer
    x = 219,655.29

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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.