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Finding the Fourth Proportional to 404,159.28, 557,743.76 and 222,877.63

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Solution

The fourth proportional to 404,159.28, 557,743.76 and 222,877.63 is: 307,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,159.28 : 557,743.76 = 222,877.63 : x
  2. Step 2: Convert to fraction form
    404,159.28/557,743.76 = 222,877.63/x
  3. Step 3: Cross multiply
    404,159.28x = 557,743.76 × 222,877.63
  4. Step 4: Simplify right side
    404,159.28x = 124,308,607,376.09
  5. Step 5: Solve for x
    x = 124,308,607,376.09/404,159.28
  6. Step 6: Final answer
    x = 307,573.31

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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.