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Finding the Fourth Proportional to 571,753.44, 789,005.76 and 313,633.92

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Solution

The fourth proportional to 571,753.44, 789,005.76 and 313,633.92 is: 432,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,753.44 : 789,005.76 = 313,633.92 : x
  2. Step 2: Convert to fraction form
    571,753.44/789,005.76 = 313,633.92/x
  3. Step 3: Cross multiply
    571,753.44x = 789,005.76 × 313,633.92
  4. Step 4: Simplify right side
    571,753.44x = 247,458,969,411.38
  5. Step 5: Solve for x
    x = 247,458,969,411.38/571,753.44
  6. Step 6: Final answer
    x = 432,807.14

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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.