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Finding the Fourth Proportional to 404,331.90, 606,643.65 and 167,747.10

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Solution

The fourth proportional to 404,331.90, 606,643.65 and 167,747.10 is: 251,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,331.90 : 606,643.65 = 167,747.10 : x
  2. Step 2: Convert to fraction form
    404,331.90/606,643.65 = 167,747.10/x
  3. Step 3: Cross multiply
    404,331.90x = 606,643.65 × 167,747.10
  4. Step 4: Simplify right side
    404,331.90x = 101,762,713,020.92
  5. Step 5: Solve for x
    x = 101,762,713,020.92/404,331.90
  6. Step 6: Final answer
    x = 251,681.14

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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.