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Finding the Fourth Proportional to 404,574.75, 606,891.29 and 155,256.75

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Solution

The fourth proportional to 404,574.75, 606,891.29 and 155,256.75 is: 232,896.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,574.75 : 606,891.29 = 155,256.75 : x
  2. Step 2: Convert to fraction form
    404,574.75/606,891.29 = 155,256.75/x
  3. Step 3: Cross multiply
    404,574.75x = 606,891.29 × 155,256.75
  4. Step 4: Simplify right side
    404,574.75x = 94,223,968,512.42
  5. Step 5: Solve for x
    x = 94,223,968,512.42/404,574.75
  6. Step 6: Final answer
    x = 232,896.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.