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Finding the Fourth Proportional to 320,095.80, 441,593.46 and 192,697.59

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Solution

The fourth proportional to 320,095.80, 441,593.46 and 192,697.59 is: 265,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,095.80 : 441,593.46 = 192,697.59 : x
  2. Step 2: Convert to fraction form
    320,095.80/441,593.46 = 192,697.59/x
  3. Step 3: Cross multiply
    320,095.80x = 441,593.46 × 192,697.59
  4. Step 4: Simplify right side
    320,095.80x = 85,093,995,501.76
  5. Step 5: Solve for x
    x = 85,093,995,501.76/320,095.80
  6. Step 6: Final answer
    x = 265,839.15

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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.