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Finding the Fourth Proportional to 658,093.90, 908,086.09 and 386,062.54

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Solution

The fourth proportional to 658,093.90, 908,086.09 and 386,062.54 is: 532,717.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,093.90 : 908,086.09 = 386,062.54 : x
  2. Step 2: Convert to fraction form
    658,093.90/908,086.09 = 386,062.54/x
  3. Step 3: Cross multiply
    658,093.90x = 908,086.09 × 386,062.54
  4. Step 4: Simplify right side
    658,093.90x = 350,578,022,444.07
  5. Step 5: Solve for x
    x = 350,578,022,444.07/658,093.90
  6. Step 6: Final answer
    x = 532,717.33

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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.