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Finding the Fourth Proportional to 404,331.40, 606,642.90 and 167,746.60

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Solution

The fourth proportional to 404,331.40, 606,642.90 and 167,746.60 is: 251,680.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,331.40 : 606,642.90 = 167,746.60 : x
  2. Step 2: Convert to fraction form
    404,331.40/606,642.90 = 167,746.60/x
  3. Step 3: Cross multiply
    404,331.40x = 606,642.90 × 167,746.60
  4. Step 4: Simplify right side
    404,331.40x = 101,762,283,889.14
  5. Step 5: Solve for x
    x = 101,762,283,889.14/404,331.40
  6. Step 6: Final answer
    x = 251,680.39

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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.