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Finding the Fourth Proportional to 649,502.46, 896,326.62 and 359,137.62

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Solution

The fourth proportional to 649,502.46, 896,326.62 and 359,137.62 is: 495,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,502.46 : 896,326.62 = 359,137.62 : x
  2. Step 2: Convert to fraction form
    649,502.46/896,326.62 = 359,137.62/x
  3. Step 3: Cross multiply
    649,502.46x = 896,326.62 × 359,137.62
  4. Step 4: Simplify right side
    649,502.46x = 321,904,609,049.44
  5. Step 5: Solve for x
    x = 321,904,609,049.44/649,502.46
  6. Step 6: Final answer
    x = 495,617.23

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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.