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Finding the Fourth Proportional to 537,072.78, 805,608.90 and 255,737.10

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Solution

The fourth proportional to 537,072.78, 805,608.90 and 255,737.10 is: 383,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,072.78 : 805,608.90 = 255,737.10 : x
  2. Step 2: Convert to fraction form
    537,072.78/805,608.90 = 255,737.10/x
  3. Step 3: Cross multiply
    537,072.78x = 805,608.90 × 255,737.10
  4. Step 4: Simplify right side
    537,072.78x = 206,024,083,820.19
  5. Step 5: Solve for x
    x = 206,024,083,820.19/537,072.78
  6. Step 6: Final answer
    x = 383,605.52

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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.