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Finding the Fourth Proportional to 548,093.81, 756,316.31 and 344,079.52

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Solution

The fourth proportional to 548,093.81, 756,316.31 and 344,079.52 is: 474,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,093.81 : 756,316.31 = 344,079.52 : x
  2. Step 2: Convert to fraction form
    548,093.81/756,316.31 = 344,079.52/x
  3. Step 3: Cross multiply
    548,093.81x = 756,316.31 × 344,079.52
  4. Step 4: Simplify right side
    548,093.81x = 260,232,949,301.78
  5. Step 5: Solve for x
    x = 260,232,949,301.78/548,093.81
  6. Step 6: Final answer
    x = 474,796.36

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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.