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Finding the Fourth Proportional to 536,113.78, 739,896.06 and 306,692.22

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Solution

The fourth proportional to 536,113.78, 739,896.06 and 306,692.22 is: 423,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,113.78 : 739,896.06 = 306,692.22 : x
  2. Step 2: Convert to fraction form
    536,113.78/739,896.06 = 306,692.22/x
  3. Step 3: Cross multiply
    536,113.78x = 739,896.06 × 306,692.22
  4. Step 4: Simplify right side
    536,113.78x = 226,920,365,210.65
  5. Step 5: Solve for x
    x = 226,920,365,210.65/536,113.78
  6. Step 6: Final answer
    x = 423,269.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.