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Finding the Fourth Proportional to 538,512.20, 743,116.52 and 296,794.03

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Solution

The fourth proportional to 538,512.20, 743,116.52 and 296,794.03 is: 409,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,512.20 : 743,116.52 = 296,794.03 : x
  2. Step 2: Convert to fraction form
    538,512.20/743,116.52 = 296,794.03/x
  3. Step 3: Cross multiply
    538,512.20x = 743,116.52 × 296,794.03
  4. Step 4: Simplify right side
    538,512.20x = 220,552,545,246.41
  5. Step 5: Solve for x
    x = 220,552,545,246.41/538,512.20
  6. Step 6: Final answer
    x = 409,559.05

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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.