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Finding the Fourth Proportional to 508,383.18, 701,569.62 and 282,028.68

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Solution

The fourth proportional to 508,383.18, 701,569.62 and 282,028.68 is: 389,200.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,383.18 : 701,569.62 = 282,028.68 : x
  2. Step 2: Convert to fraction form
    508,383.18/701,569.62 = 282,028.68/x
  3. Step 3: Cross multiply
    508,383.18x = 701,569.62 × 282,028.68
  4. Step 4: Simplify right side
    508,383.18x = 197,862,753,856.70
  5. Step 5: Solve for x
    x = 197,862,753,856.70/508,383.18
  6. Step 6: Final answer
    x = 389,200.04

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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.