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Finding the Fourth Proportional to 485,736.48, 670,500.96 and 365,227.68

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Solution

The fourth proportional to 485,736.48, 670,500.96 and 365,227.68 is: 504,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,736.48 : 670,500.96 = 365,227.68 : x
  2. Step 2: Convert to fraction form
    485,736.48/670,500.96 = 365,227.68/x
  3. Step 3: Cross multiply
    485,736.48x = 670,500.96 × 365,227.68
  4. Step 4: Simplify right side
    485,736.48x = 244,885,510,058.57
  5. Step 5: Solve for x
    x = 244,885,510,058.57/485,736.48
  6. Step 6: Final answer
    x = 504,153.01

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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.