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Finding the Fourth Proportional to 541,651.58, 812,214.92 and 271,663.72

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Solution

The fourth proportional to 541,651.58, 812,214.92 and 271,663.72 is: 407,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,651.58 : 812,214.92 = 271,663.72 : x
  2. Step 2: Convert to fraction form
    541,651.58/812,214.92 = 271,663.72/x
  3. Step 3: Cross multiply
    541,651.58x = 812,214.92 × 271,663.72
  4. Step 4: Simplify right side
    541,651.58x = 220,649,326,606.70
  5. Step 5: Solve for x
    x = 220,649,326,606.70/541,651.58
  6. Step 6: Final answer
    x = 407,363.95

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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.