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Finding the Fourth Proportional to 384,067.80, 575,064.90 and 384,067.80

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Solution

The fourth proportional to 384,067.80, 575,064.90 and 384,067.80 is: 575,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,067.80 : 575,064.90 = 384,067.80 : x
  2. Step 2: Convert to fraction form
    384,067.80/575,064.90 = 384,067.80/x
  3. Step 3: Cross multiply
    384,067.80x = 575,064.90 × 384,067.80
  4. Step 4: Simplify right side
    384,067.80x = 220,863,911,000.22
  5. Step 5: Solve for x
    x = 220,863,911,000.22/384,067.80
  6. Step 6: Final answer
    x = 575,064.90

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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.