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Finding the Fourth Proportional to 375,101.01, 517,642.85 and 222,147.90

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Solution

The fourth proportional to 375,101.01, 517,642.85 and 222,147.90 is: 306,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,101.01 : 517,642.85 = 222,147.90 : x
  2. Step 2: Convert to fraction form
    375,101.01/517,642.85 = 222,147.90/x
  3. Step 3: Cross multiply
    375,101.01x = 517,642.85 × 222,147.90
  4. Step 4: Simplify right side
    375,101.01x = 114,993,272,632.89
  5. Step 5: Solve for x
    x = 114,993,272,632.89/375,101.01
  6. Step 6: Final answer
    x = 306,566.15

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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.