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Finding the Fourth Proportional to 338,887.18, 508,000.26 and 161,346.52

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Solution

The fourth proportional to 338,887.18, 508,000.26 and 161,346.52 is: 241,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,887.18 : 508,000.26 = 161,346.52 : x
  2. Step 2: Convert to fraction form
    338,887.18/508,000.26 = 161,346.52/x
  3. Step 3: Cross multiply
    338,887.18x = 508,000.26 × 161,346.52
  4. Step 4: Simplify right side
    338,887.18x = 81,964,074,110.10
  5. Step 5: Solve for x
    x = 81,964,074,110.10/338,887.18
  6. Step 6: Final answer
    x = 241,862.42

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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.