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Finding the Fourth Proportional to 585,448.44, 807,629.58 and 404,345.40

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Solution

The fourth proportional to 585,448.44, 807,629.58 and 404,345.40 is: 557,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,448.44 : 807,629.58 = 404,345.40 : x
  2. Step 2: Convert to fraction form
    585,448.44/807,629.58 = 404,345.40/x
  3. Step 3: Cross multiply
    585,448.44x = 807,629.58 × 404,345.40
  4. Step 4: Simplify right side
    585,448.44x = 326,561,305,576.93
  5. Step 5: Solve for x
    x = 326,561,305,576.93/585,448.44
  6. Step 6: Final answer
    x = 557,796.87

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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.