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Finding the Fourth Proportional to 384,230.58, 576,345.90 and 131,514.36

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Solution

The fourth proportional to 384,230.58, 576,345.90 and 131,514.36 is: 197,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,230.58 : 576,345.90 = 131,514.36 : x
  2. Step 2: Convert to fraction form
    384,230.58/576,345.90 = 131,514.36/x
  3. Step 3: Cross multiply
    384,230.58x = 576,345.90 × 131,514.36
  4. Step 4: Simplify right side
    384,230.58x = 75,797,762,177.12
  5. Step 5: Solve for x
    x = 75,797,762,177.12/384,230.58
  6. Step 6: Final answer
    x = 197,271.55

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1.5x scale

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.