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Finding the Fourth Proportional to 649,963.50, 896,942.07 and 363,480.90

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Solution

The fourth proportional to 649,963.50, 896,942.07 and 363,480.90 is: 501,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,963.50 : 896,942.07 = 363,480.90 : x
  2. Step 2: Convert to fraction form
    649,963.50/896,942.07 = 363,480.90/x
  3. Step 3: Cross multiply
    649,963.50x = 896,942.07 × 363,480.90
  4. Step 4: Simplify right side
    649,963.50x = 326,021,310,851.46
  5. Step 5: Solve for x
    x = 326,021,310,851.46/649,963.50
  6. Step 6: Final answer
    x = 501,599.41

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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.