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Finding the Fourth Proportional to 534,906.18, 738,188.82 and 293,188.69

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Solution

The fourth proportional to 534,906.18, 738,188.82 and 293,188.69 is: 404,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,906.18 : 738,188.82 = 293,188.69 : x
  2. Step 2: Convert to fraction form
    534,906.18/738,188.82 = 293,188.69/x
  3. Step 3: Cross multiply
    534,906.18x = 738,188.82 × 293,188.69
  4. Step 4: Simplify right side
    534,906.18x = 216,428,611,130.43
  5. Step 5: Solve for x
    x = 216,428,611,130.43/534,906.18
  6. Step 6: Final answer
    x = 404,610.41

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1.5x scale

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.