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Finding the Fourth Proportional to 214,311.64, 321,520.92 and 151,254.93

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Solution

The fourth proportional to 214,311.64, 321,520.92 and 151,254.93 is: 226,920.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,311.64 : 321,520.92 = 151,254.93 : x
  2. Step 2: Convert to fraction form
    214,311.64/321,520.92 = 151,254.93/x
  3. Step 3: Cross multiply
    214,311.64x = 321,520.92 × 151,254.93
  4. Step 4: Simplify right side
    214,311.64x = 48,631,623,491.86
  5. Step 5: Solve for x
    x = 48,631,623,491.86/214,311.64
  6. Step 6: Final answer
    x = 226,920.12

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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.