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Finding the Fourth Proportional to 403,354.61, 556,608.26 and 222,031.14

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Solution

The fourth proportional to 403,354.61, 556,608.26 and 222,031.14 is: 306,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,354.61 : 556,608.26 = 222,031.14 : x
  2. Step 2: Convert to fraction form
    403,354.61/556,608.26 = 222,031.14/x
  3. Step 3: Cross multiply
    403,354.61x = 556,608.26 × 222,031.14
  4. Step 4: Simplify right side
    403,354.61x = 123,584,365,391.06
  5. Step 5: Solve for x
    x = 123,584,365,391.06/403,354.61
  6. Step 6: Final answer
    x = 306,391.36

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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.