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Finding the Fourth Proportional to 539,514.96, 744,400.17 and 345,834.24

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Solution

The fourth proportional to 539,514.96, 744,400.17 and 345,834.24 is: 477,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,514.96 : 744,400.17 = 345,834.24 : x
  2. Step 2: Convert to fraction form
    539,514.96/744,400.17 = 345,834.24/x
  3. Step 3: Cross multiply
    539,514.96x = 744,400.17 × 345,834.24
  4. Step 4: Simplify right side
    539,514.96x = 257,439,067,047.82
  5. Step 5: Solve for x
    x = 257,439,067,047.82/539,514.96
  6. Step 6: Final answer
    x = 477,167.62

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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.