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Finding the Fourth Proportional to 404,616.94, 606,954.57 and 155,298.94

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Solution

The fourth proportional to 404,616.94, 606,954.57 and 155,298.94 is: 232,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,616.94 : 606,954.57 = 155,298.94 : x
  2. Step 2: Convert to fraction form
    404,616.94/606,954.57 = 155,298.94/x
  3. Step 3: Cross multiply
    404,616.94x = 606,954.57 × 155,298.94
  4. Step 4: Simplify right side
    404,616.94x = 94,259,400,572.66
  5. Step 5: Solve for x
    x = 94,259,400,572.66/404,616.94
  6. Step 6: Final answer
    x = 232,959.60

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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.