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Finding the Fourth Proportional to 649,512.78, 896,369.67 and 363,044.94

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Solution

The fourth proportional to 649,512.78, 896,369.67 and 363,044.94 is: 501,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,512.78 : 896,369.67 = 363,044.94 : x
  2. Step 2: Convert to fraction form
    649,512.78/896,369.67 = 363,044.94/x
  3. Step 3: Cross multiply
    649,512.78x = 896,369.67 × 363,044.94
  4. Step 4: Simplify right side
    649,512.78x = 325,422,473,062.97
  5. Step 5: Solve for x
    x = 325,422,473,062.97/649,512.78
  6. Step 6: Final answer
    x = 501,025.51

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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.