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Finding the Fourth Proportional to 293,073.70, 439,605.78 and 93,391.39

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Solution

The fourth proportional to 293,073.70, 439,605.78 and 93,391.39 is: 140,085.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,073.70 : 439,605.78 = 93,391.39 : x
  2. Step 2: Convert to fraction form
    293,073.70/439,605.78 = 93,391.39/x
  3. Step 3: Cross multiply
    293,073.70x = 439,605.78 × 93,391.39
  4. Step 4: Simplify right side
    293,073.70x = 41,055,394,846.23
  5. Step 5: Solve for x
    x = 41,055,394,846.23/293,073.70
  6. Step 6: Final answer
    x = 140,085.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.