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Finding the Fourth Proportional to 584,796.38, 807,019.20 and 330,163.97

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Solution

The fourth proportional to 584,796.38, 807,019.20 and 330,163.97 is: 455,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,796.38 : 807,019.20 = 330,163.97 : x
  2. Step 2: Convert to fraction form
    584,796.38/807,019.20 = 330,163.97/x
  3. Step 3: Cross multiply
    584,796.38x = 807,019.20 × 330,163.97
  4. Step 4: Simplify right side
    584,796.38x = 266,448,658,903.13
  5. Step 5: Solve for x
    x = 266,448,658,903.13/584,796.38
  6. Step 6: Final answer
    x = 455,626.39

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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.