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Finding the Fourth Proportional to 404,158.83, 557,726.36 and 222,878.40

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Solution

The fourth proportional to 404,158.83, 557,726.36 and 222,878.40 is: 307,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,158.83 : 557,726.36 = 222,878.40 : x
  2. Step 2: Convert to fraction form
    404,158.83/557,726.36 = 222,878.40/x
  3. Step 3: Cross multiply
    404,158.83x = 557,726.36 × 222,878.40
  4. Step 4: Simplify right side
    404,158.83x = 124,305,157,640.23
  5. Step 5: Solve for x
    x = 124,305,157,640.23/404,158.83
  6. Step 6: Final answer
    x = 307,565.12

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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.