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Finding the Fourth Proportional to 584,641.62, 806,799.31 and 330,003.54

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Solution

The fourth proportional to 584,641.62, 806,799.31 and 330,003.54 is: 455,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,641.62 : 806,799.31 = 330,003.54 : x
  2. Step 2: Convert to fraction form
    584,641.62/806,799.31 = 330,003.54/x
  3. Step 3: Cross multiply
    584,641.62x = 806,799.31 × 330,003.54
  4. Step 4: Simplify right side
    584,641.62x = 266,246,628,369.56
  5. Step 5: Solve for x
    x = 266,246,628,369.56/584,641.62
  6. Step 6: Final answer
    x = 455,401.43

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1.5x scale

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.