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Finding the Fourth Proportional to 497,548.26, 686,614.98 and 271,193.76

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Solution

The fourth proportional to 497,548.26, 686,614.98 and 271,193.76 is: 374,246.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,548.26 : 686,614.98 = 271,193.76 : x
  2. Step 2: Convert to fraction form
    497,548.26/686,614.98 = 271,193.76/x
  3. Step 3: Cross multiply
    497,548.26x = 686,614.98 × 271,193.76
  4. Step 4: Simplify right side
    497,548.26x = 186,205,698,098.53
  5. Step 5: Solve for x
    x = 186,205,698,098.53/497,548.26
  6. Step 6: Final answer
    x = 374,246.51

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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.