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Finding the Fourth Proportional to 548,578.93, 756,707.90 and 362,311.53

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Solution

The fourth proportional to 548,578.93, 756,707.90 and 362,311.53 is: 499,771.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,578.93 : 756,707.90 = 362,311.53 : x
  2. Step 2: Convert to fraction form
    548,578.93/756,707.90 = 362,311.53/x
  3. Step 3: Cross multiply
    548,578.93x = 756,707.90 × 362,311.53
  4. Step 4: Simplify right side
    548,578.93x = 274,163,996,619.36
  5. Step 5: Solve for x
    x = 274,163,996,619.36/548,578.93
  6. Step 6: Final answer
    x = 499,771.29

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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.