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Finding the Fourth Proportional to 538,252.40, 807,184.20 and 271,924.40

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Solution

The fourth proportional to 538,252.40, 807,184.20 and 271,924.40 is: 407,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,252.40 : 807,184.20 = 271,924.40 : x
  2. Step 2: Convert to fraction form
    538,252.40/807,184.20 = 271,924.40/x
  3. Step 3: Cross multiply
    538,252.40x = 807,184.20 × 271,924.40
  4. Step 4: Simplify right side
    538,252.40x = 219,493,079,274.48
  5. Step 5: Solve for x
    x = 219,493,079,274.48/538,252.40
  6. Step 6: Final answer
    x = 407,788.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.