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Finding the Fourth Proportional to 404,154.80, 557,720.84 and 222,874.38

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Solution

The fourth proportional to 404,154.80, 557,720.84 and 222,874.38 is: 307,559.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,154.80 : 557,720.84 = 222,874.38 : x
  2. Step 2: Convert to fraction form
    404,154.80/557,720.84 = 222,874.38/x
  3. Step 3: Cross multiply
    404,154.80x = 557,720.84 × 222,874.38
  4. Step 4: Simplify right side
    404,154.80x = 124,301,686,428.08
  5. Step 5: Solve for x
    x = 124,301,686,428.08/404,154.80
  6. Step 6: Final answer
    x = 307,559.59

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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.