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Finding the Fourth Proportional to 404,557.30, 606,908.85 and 167,923.90

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Solution

The fourth proportional to 404,557.30, 606,908.85 and 167,923.90 is: 251,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,557.30 : 606,908.85 = 167,923.90 : x
  2. Step 2: Convert to fraction form
    404,557.30/606,908.85 = 167,923.90/x
  3. Step 3: Cross multiply
    404,557.30x = 606,908.85 × 167,923.90
  4. Step 4: Simplify right side
    404,557.30x = 101,914,501,036.52
  5. Step 5: Solve for x
    x = 101,914,501,036.52/404,557.30
  6. Step 6: Final answer
    x = 251,916.11

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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.