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Finding the Fourth Proportional to 889,083, 1,226,924.64 and 481,175.64

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Solution

The fourth proportional to 889,083, 1,226,924.64 and 481,175.64 is: 664,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,083 : 1,226,924.64 = 481,175.64 : x
  2. Step 2: Convert to fraction form
    889,083/1,226,924.64 = 481,175.64/x
  3. Step 3: Cross multiply
    889,083x = 1,226,924.64 × 481,175.64
  4. Step 4: Simplify right side
    889,083x = 590,366,248,883.77
  5. Step 5: Solve for x
    x = 590,366,248,883.77/889,083
  6. Step 6: Final answer
    x = 664,017.03

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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.