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Finding the Fourth Proportional to 338,135.51, 466,513.73 and 194,892.48

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Solution

The fourth proportional to 338,135.51, 466,513.73 and 194,892.48 is: 268,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,135.51 : 466,513.73 = 194,892.48 : x
  2. Step 2: Convert to fraction form
    338,135.51/466,513.73 = 194,892.48/x
  3. Step 3: Cross multiply
    338,135.51x = 466,513.73 × 194,892.48
  4. Step 4: Simplify right side
    338,135.51x = 90,920,017,550.13
  5. Step 5: Solve for x
    x = 90,920,017,550.13/338,135.51
  6. Step 6: Final answer
    x = 268,886.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.