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Finding the Fourth Proportional to 424,513.54, 585,348.61 and 327,498.22

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Solution

The fourth proportional to 424,513.54, 585,348.61 and 327,498.22 is: 451,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,513.54 : 585,348.61 = 327,498.22 : x
  2. Step 2: Convert to fraction form
    424,513.54/585,348.61 = 327,498.22/x
  3. Step 3: Cross multiply
    424,513.54x = 585,348.61 × 327,498.22
  4. Step 4: Simplify right side
    424,513.54x = 191,700,623,290.24
  5. Step 5: Solve for x
    x = 191,700,623,290.24/424,513.54
  6. Step 6: Final answer
    x = 451,577.18

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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.