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Finding the Fourth Proportional to 368,352.52, 552,403.18 and 143,695.24

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Solution

The fourth proportional to 368,352.52, 552,403.18 and 143,695.24 is: 215,493.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,352.52 : 552,403.18 = 143,695.24 : x
  2. Step 2: Convert to fraction form
    368,352.52/552,403.18 = 143,695.24/x
  3. Step 3: Cross multiply
    368,352.52x = 552,403.18 × 143,695.24
  4. Step 4: Simplify right side
    368,352.52x = 79,377,707,526.86
  5. Step 5: Solve for x
    x = 79,377,707,526.86/368,352.52
  6. Step 6: Final answer
    x = 215,493.86

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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.