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Finding the Fourth Proportional to 548,767.40, 822,589.77 and 371,293.16

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Solution

The fourth proportional to 548,767.40, 822,589.77 and 371,293.16 is: 556,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,767.40 : 822,589.77 = 371,293.16 : x
  2. Step 2: Convert to fraction form
    548,767.40/822,589.77 = 371,293.16/x
  3. Step 3: Cross multiply
    548,767.40x = 822,589.77 × 371,293.16
  4. Step 4: Simplify right side
    548,767.40x = 305,421,955,086.97
  5. Step 5: Solve for x
    x = 305,421,955,086.97/548,767.40
  6. Step 6: Final answer
    x = 556,559.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.