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Finding the Fourth Proportional to 369,083.72, 553,625.90 and 264,107.72

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Solution

The fourth proportional to 369,083.72, 553,625.90 and 264,107.72 is: 396,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,083.72 : 553,625.90 = 264,107.72 : x
  2. Step 2: Convert to fraction form
    369,083.72/553,625.90 = 264,107.72/x
  3. Step 3: Cross multiply
    369,083.72x = 553,625.90 × 264,107.72
  4. Step 4: Simplify right side
    369,083.72x = 146,216,874,181.95
  5. Step 5: Solve for x
    x = 146,216,874,181.95/369,083.72
  6. Step 6: Final answer
    x = 396,161.81

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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.