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Finding the Fourth Proportional to 356,730.37, 534,493.78 and 176,575.57

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Solution

The fourth proportional to 356,730.37, 534,493.78 and 176,575.57 is: 264,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,730.37 : 534,493.78 = 176,575.57 : x
  2. Step 2: Convert to fraction form
    356,730.37/534,493.78 = 176,575.57/x
  3. Step 3: Cross multiply
    356,730.37x = 534,493.78 × 176,575.57
  4. Step 4: Simplify right side
    356,730.37x = 94,378,542,087.28
  5. Step 5: Solve for x
    x = 94,378,542,087.28/356,730.37
  6. Step 6: Final answer
    x = 264,565.48

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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.