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Finding the Fourth Proportional to 424,595.86, 585,693.44 and 271,578.22

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Solution

The fourth proportional to 424,595.86, 585,693.44 and 271,578.22 is: 374,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,595.86 : 585,693.44 = 271,578.22 : x
  2. Step 2: Convert to fraction form
    424,595.86/585,693.44 = 271,578.22/x
  3. Step 3: Cross multiply
    424,595.86x = 585,693.44 × 271,578.22
  4. Step 4: Simplify right side
    424,595.86x = 159,061,581,900.88
  5. Step 5: Solve for x
    x = 159,061,581,900.88/424,595.86
  6. Step 6: Final answer
    x = 374,618.78

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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.