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Finding the Fourth Proportional to 404,161.34, 557,729.80 and 222,880.90

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Solution

The fourth proportional to 404,161.34, 557,729.80 and 222,880.90 is: 307,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,161.34 : 557,729.80 = 222,880.90 : x
  2. Step 2: Convert to fraction form
    404,161.34/557,729.80 = 222,880.90/x
  3. Step 3: Cross multiply
    404,161.34x = 557,729.80 × 222,880.90
  4. Step 4: Simplify right side
    404,161.34x = 124,307,319,780.82
  5. Step 5: Solve for x
    x = 124,307,319,780.82/404,161.34
  6. Step 6: Final answer
    x = 307,568.56

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1.5x scale

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.