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Finding the Fourth Proportional to 356,393.52, 534,478.50 and 116,452.74

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Solution

The fourth proportional to 356,393.52, 534,478.50 and 116,452.74 is: 174,642.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,393.52 : 534,478.50 = 116,452.74 : x
  2. Step 2: Convert to fraction form
    356,393.52/534,478.50 = 116,452.74/x
  3. Step 3: Cross multiply
    356,393.52x = 534,478.50 × 116,452.74
  4. Step 4: Simplify right side
    356,393.52x = 62,241,485,796.09
  5. Step 5: Solve for x
    x = 62,241,485,796.09/356,393.52
  6. Step 6: Final answer
    x = 174,642.59

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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.