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Finding the Fourth Proportional to 888,959.21, 1,226,763.71 and 481,061.06

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Solution

The fourth proportional to 888,959.21, 1,226,763.71 and 481,061.06 is: 663,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,959.21 : 1,226,763.71 = 481,061.06 : x
  2. Step 2: Convert to fraction form
    888,959.21/1,226,763.71 = 481,061.06/x
  3. Step 3: Cross multiply
    888,959.21x = 1,226,763.71 × 481,061.06
  4. Step 4: Simplify right side
    888,959.21x = 590,148,251,273.32
  5. Step 5: Solve for x
    x = 590,148,251,273.32/888,959.21
  6. Step 6: Final answer
    x = 663,864.26

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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.