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Finding the Fourth Proportional to 522,282.20, 721,063.98 and 341,297.01

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Solution

The fourth proportional to 522,282.20, 721,063.98 and 341,297.01 is: 471,195.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,282.20 : 721,063.98 = 341,297.01 : x
  2. Step 2: Convert to fraction form
    522,282.20/721,063.98 = 341,297.01/x
  3. Step 3: Cross multiply
    522,282.20x = 721,063.98 × 341,297.01
  4. Step 4: Simplify right side
    522,282.20x = 246,096,980,392.70
  5. Step 5: Solve for x
    x = 246,096,980,392.70/522,282.20
  6. Step 6: Final answer
    x = 471,195.42

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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.