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Finding the Fourth Proportional to 889,179, 1,227,067.08 and 486,771

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Solution

The fourth proportional to 889,179, 1,227,067.08 and 486,771 is: 671,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,179 : 1,227,067.08 = 486,771 : x
  2. Step 2: Convert to fraction form
    889,179/1,227,067.08 = 486,771/x
  3. Step 3: Cross multiply
    889,179x = 1,227,067.08 × 486,771
  4. Step 4: Simplify right side
    889,179x = 597,300,669,598.68
  5. Step 5: Solve for x
    x = 597,300,669,598.68/889,179
  6. Step 6: Final answer
    x = 671,744.01

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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.