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Finding the Fourth Proportional to 833,818.60, 1,251,311.10 and 360,843.40

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Solution

The fourth proportional to 833,818.60, 1,251,311.10 and 360,843.40 is: 541,517.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,818.60 : 1,251,311.10 = 360,843.40 : x
  2. Step 2: Convert to fraction form
    833,818.60/1,251,311.10 = 360,843.40/x
  3. Step 3: Cross multiply
    833,818.60x = 1,251,311.10 × 360,843.40
  4. Step 4: Simplify right side
    833,818.60x = 451,527,351,781.74
  5. Step 5: Solve for x
    x = 451,527,351,781.74/833,818.60
  6. Step 6: Final answer
    x = 541,517.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.