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Finding the Fourth Proportional to 888,466, 1,226,100.84 and 486,066.64

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Solution

The fourth proportional to 888,466, 1,226,100.84 and 486,066.64 is: 670,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,466 : 1,226,100.84 = 486,066.64 : x
  2. Step 2: Convert to fraction form
    888,466/1,226,100.84 = 486,066.64/x
  3. Step 3: Cross multiply
    888,466x = 1,226,100.84 × 486,066.64
  4. Step 4: Simplify right side
    888,466x = 595,966,715,599.98
  5. Step 5: Solve for x
    x = 595,966,715,599.98/888,466
  6. Step 6: Final answer
    x = 670,781.68

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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.