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Finding the Fourth Proportional to 606,124.42, 836,394.60 and 351,448

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Solution

The fourth proportional to 606,124.42, 836,394.60 and 351,448 is: 484,965.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,124.42 : 836,394.60 = 351,448 : x
  2. Step 2: Convert to fraction form
    606,124.42/836,394.60 = 351,448/x
  3. Step 3: Cross multiply
    606,124.42x = 836,394.60 × 351,448
  4. Step 4: Simplify right side
    606,124.42x = 293,949,209,380.80
  5. Step 5: Solve for x
    x = 293,949,209,380.80/606,124.42
  6. Step 6: Final answer
    x = 484,965.13

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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.