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Finding the Fourth Proportional to 379,025.52, 568,417.32 and 154,385.52

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Solution

The fourth proportional to 379,025.52, 568,417.32 and 154,385.52 is: 231,529.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,025.52 : 568,417.32 = 154,385.52 : x
  2. Step 2: Convert to fraction form
    379,025.52/568,417.32 = 154,385.52/x
  3. Step 3: Cross multiply
    379,025.52x = 568,417.32 × 154,385.52
  4. Step 4: Simplify right side
    379,025.52x = 87,755,403,525.21
  5. Step 5: Solve for x
    x = 87,755,403,525.21/379,025.52
  6. Step 6: Final answer
    x = 231,529.01

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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.