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Finding the Fourth Proportional to 404,029.76, 557,564.94 and 222,748.32

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Solution

The fourth proportional to 404,029.76, 557,564.94 and 222,748.32 is: 307,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,029.76 : 557,564.94 = 222,748.32 : x
  2. Step 2: Convert to fraction form
    404,029.76/557,564.94 = 222,748.32/x
  3. Step 3: Cross multiply
    404,029.76x = 557,564.94 × 222,748.32
  4. Step 4: Simplify right side
    404,029.76x = 124,196,653,675.90
  5. Step 5: Solve for x
    x = 124,196,653,675.90/404,029.76
  6. Step 6: Final answer
    x = 307,394.82

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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.