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Finding the Fourth Proportional to 568,102.92, 783,998.44 and 313,470.51

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Solution

The fourth proportional to 568,102.92, 783,998.44 and 313,470.51 is: 432,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,102.92 : 783,998.44 = 313,470.51 : x
  2. Step 2: Convert to fraction form
    568,102.92/783,998.44 = 313,470.51/x
  3. Step 3: Cross multiply
    568,102.92x = 783,998.44 × 313,470.51
  4. Step 4: Simplify right side
    568,102.92x = 245,760,392,982.32
  5. Step 5: Solve for x
    x = 245,760,392,982.32/568,102.92
  6. Step 6: Final answer
    x = 432,598.36

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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.