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Finding the Fourth Proportional to 338,188.58, 507,042.59 and 169,587.28

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Solution

The fourth proportional to 338,188.58, 507,042.59 and 169,587.28 is: 254,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,188.58 : 507,042.59 = 169,587.28 : x
  2. Step 2: Convert to fraction form
    338,188.58/507,042.59 = 169,587.28/x
  3. Step 3: Cross multiply
    338,188.58x = 507,042.59 × 169,587.28
  4. Step 4: Simplify right side
    338,188.58x = 85,987,972,838.62
  5. Step 5: Solve for x
    x = 85,987,972,838.62/338,188.58
  6. Step 6: Final answer
    x = 254,260.43

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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.