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Finding the Fourth Proportional to 786,057.92, 1,084,452 and 483,727.04

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Solution

The fourth proportional to 786,057.92, 1,084,452 and 483,727.04 is: 667,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,057.92 : 1,084,452 = 483,727.04 : x
  2. Step 2: Convert to fraction form
    786,057.92/1,084,452 = 483,727.04/x
  3. Step 3: Cross multiply
    786,057.92x = 1,084,452 × 483,727.04
  4. Step 4: Simplify right side
    786,057.92x = 524,578,755,982.08
  5. Step 5: Solve for x
    x = 524,578,755,982.08/786,057.92
  6. Step 6: Final answer
    x = 667,353.82

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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.