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Finding the Fourth Proportional to 535,553.92, 739,085.34 and 293,846.68

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Solution

The fourth proportional to 535,553.92, 739,085.34 and 293,846.68 is: 405,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,553.92 : 739,085.34 = 293,846.68 : x
  2. Step 2: Convert to fraction form
    535,553.92/739,085.34 = 293,846.68/x
  3. Step 3: Cross multiply
    535,553.92x = 739,085.34 × 293,846.68
  4. Step 4: Simplify right side
    535,553.92x = 217,177,773,395.67
  5. Step 5: Solve for x
    x = 217,177,773,395.67/535,553.92
  6. Step 6: Final answer
    x = 405,519.90

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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.