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Finding the Fourth Proportional to 384,067.62, 574,658.01 and 363,816

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Solution

The fourth proportional to 384,067.62, 574,658.01 and 363,816 is: 544,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,067.62 : 574,658.01 = 363,816 : x
  2. Step 2: Convert to fraction form
    384,067.62/574,658.01 = 363,816/x
  3. Step 3: Cross multiply
    384,067.62x = 574,658.01 × 363,816
  4. Step 4: Simplify right side
    384,067.62x = 209,069,778,566.16
  5. Step 5: Solve for x
    x = 209,069,778,566.16/384,067.62
  6. Step 6: Final answer
    x = 544,356.69

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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.