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Finding the Fourth Proportional to 567,674.82, 783,374.49 and 313,025.94

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Solution

The fourth proportional to 567,674.82, 783,374.49 and 313,025.94 is: 431,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,674.82 : 783,374.49 = 313,025.94 : x
  2. Step 2: Convert to fraction form
    567,674.82/783,374.49 = 313,025.94/x
  3. Step 3: Cross multiply
    567,674.82x = 783,374.49 × 313,025.94
  4. Step 4: Simplify right side
    567,674.82x = 245,216,536,104.27
  5. Step 5: Solve for x
    x = 245,216,536,104.27/567,674.82
  6. Step 6: Final answer
    x = 431,966.55

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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.