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Finding the Fourth Proportional to 467,279.64, 700,909.34 and 130,311.30

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Solution

The fourth proportional to 467,279.64, 700,909.34 and 130,311.30 is: 195,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,279.64 : 700,909.34 = 130,311.30 : x
  2. Step 2: Convert to fraction form
    467,279.64/700,909.34 = 130,311.30/x
  3. Step 3: Cross multiply
    467,279.64x = 700,909.34 × 130,311.30
  4. Step 4: Simplify right side
    467,279.64x = 91,336,406,625.99
  5. Step 5: Solve for x
    x = 91,336,406,625.99/467,279.64
  6. Step 6: Final answer
    x = 195,464.13

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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.