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Finding the Fourth Proportional to 534,705.01, 737,843.85 and 308,306.77

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Solution

The fourth proportional to 534,705.01, 737,843.85 and 308,306.77 is: 425,435.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,705.01 : 737,843.85 = 308,306.77 : x
  2. Step 2: Convert to fraction form
    534,705.01/737,843.85 = 308,306.77/x
  3. Step 3: Cross multiply
    534,705.01x = 737,843.85 × 308,306.77
  4. Step 4: Simplify right side
    534,705.01x = 227,482,252,616.33
  5. Step 5: Solve for x
    x = 227,482,252,616.33/534,705.01
  6. Step 6: Final answer
    x = 425,435.05

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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.