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Finding the Fourth Proportional to 568,026.81, 783,863.87 and 313,377.93

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Solution

The fourth proportional to 568,026.81, 783,863.87 and 313,377.93 is: 432,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,026.81 : 783,863.87 = 313,377.93 : x
  2. Step 2: Convert to fraction form
    568,026.81/783,863.87 = 313,377.93/x
  3. Step 3: Cross multiply
    568,026.81x = 783,863.87 × 313,377.93
  4. Step 4: Simplify right side
    568,026.81x = 245,645,635,415.50
  5. Step 5: Solve for x
    x = 245,645,635,415.50/568,026.81
  6. Step 6: Final answer
    x = 432,454.30

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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.