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Finding the Fourth Proportional to 389,667,697.06, 584,496,668.43 and 94,565,261.20

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Solution

The fourth proportional to 389,667,697.06, 584,496,668.43 and 94,565,261.20 is: 141,846,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,667,697.06 : 584,496,668.43 = 94,565,261.20 : x
  2. Step 2: Convert to fraction form
    389,667,697.06/584,496,668.43 = 94,565,261.20/x
  3. Step 3: Cross multiply
    389,667,697.06x = 584,496,668.43 × 94,565,261.20
  4. Step 4: Simplify right side
    389,667,697.06x = 55,273,080,120,612,744
  5. Step 5: Solve for x
    x = 55,273,080,120,612,744/389,667,697.06
  6. Step 6: Final answer
    x = 141,846,708.20

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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.