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Finding the Fourth Proportional to 352,878.12, 528,800.40 and 175,029.96

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Solution

The fourth proportional to 352,878.12, 528,800.40 and 175,029.96 is: 262,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,878.12 : 528,800.40 = 175,029.96 : x
  2. Step 2: Convert to fraction form
    352,878.12/528,800.40 = 175,029.96/x
  3. Step 3: Cross multiply
    352,878.12x = 528,800.40 × 175,029.96
  4. Step 4: Simplify right side
    352,878.12x = 92,555,912,859.98
  5. Step 5: Solve for x
    x = 92,555,912,859.98/352,878.12
  6. Step 6: Final answer
    x = 262,288.61

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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.