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Finding the Fourth Proportional to 404,344.32, 557,993.58 and 223,067.53

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Solution

The fourth proportional to 404,344.32, 557,993.58 and 223,067.53 is: 307,832.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,344.32 : 557,993.58 = 223,067.53 : x
  2. Step 2: Convert to fraction form
    404,344.32/557,993.58 = 223,067.53/x
  3. Step 3: Cross multiply
    404,344.32x = 557,993.58 × 223,067.53
  4. Step 4: Simplify right side
    404,344.32x = 124,470,249,646.46
  5. Step 5: Solve for x
    x = 124,470,249,646.46/404,344.32
  6. Step 6: Final answer
    x = 307,832.32

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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.