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Finding the Fourth Proportional to 508,480.28, 701,593.16 and 293,495.78

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Solution

The fourth proportional to 508,480.28, 701,593.16 and 293,495.78 is: 404,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,480.28 : 701,593.16 = 293,495.78 : x
  2. Step 2: Convert to fraction form
    508,480.28/701,593.16 = 293,495.78/x
  3. Step 3: Cross multiply
    508,480.28x = 701,593.16 × 293,495.78
  4. Step 4: Simplify right side
    508,480.28x = 205,914,631,736.87
  5. Step 5: Solve for x
    x = 205,914,631,736.87/508,480.28
  6. Step 6: Final answer
    x = 404,960.90

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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.