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Finding the Fourth Proportional to 539,241.27, 744,020.26 and 329,636.22

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Solution

The fourth proportional to 539,241.27, 744,020.26 and 329,636.22 is: 454,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,241.27 : 744,020.26 = 329,636.22 : x
  2. Step 2: Convert to fraction form
    539,241.27/744,020.26 = 329,636.22/x
  3. Step 3: Cross multiply
    539,241.27x = 744,020.26 × 329,636.22
  4. Step 4: Simplify right side
    539,241.27x = 245,256,026,109.82
  5. Step 5: Solve for x
    x = 245,256,026,109.82/539,241.27
  6. Step 6: Final answer
    x = 454,816.87

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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.