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Finding the Fourth Proportional to 866,568, 1,195,841.46 and 479,373.32

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Solution

The fourth proportional to 866,568, 1,195,841.46 and 479,373.32 is: 661,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,568 : 1,195,841.46 = 479,373.32 : x
  2. Step 2: Convert to fraction form
    866,568/1,195,841.46 = 479,373.32/x
  3. Step 3: Cross multiply
    866,568x = 1,195,841.46 × 479,373.32
  4. Step 4: Simplify right side
    866,568x = 573,254,490,873.85
  5. Step 5: Solve for x
    x = 573,254,490,873.85/866,568
  6. Step 6: Final answer
    x = 661,522.80

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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.