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Finding the Fourth Proportional to 404,160.34, 557,728.42 and 222,879.90

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Solution

The fourth proportional to 404,160.34, 557,728.42 and 222,879.90 is: 307,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,160.34 : 557,728.42 = 222,879.90 : x
  2. Step 2: Convert to fraction form
    404,160.34/557,728.42 = 222,879.90/x
  3. Step 3: Cross multiply
    404,160.34x = 557,728.42 × 222,879.90
  4. Step 4: Simplify right side
    404,160.34x = 124,306,454,476.76
  5. Step 5: Solve for x
    x = 124,306,454,476.76/404,160.34
  6. Step 6: Final answer
    x = 307,567.18

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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.