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Finding the Fourth Proportional to 706,666.75, 1,059,864.90 and 274,384.22

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Solution

The fourth proportional to 706,666.75, 1,059,864.90 and 274,384.22 is: 411,523.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,666.75 : 1,059,864.90 = 274,384.22 : x
  2. Step 2: Convert to fraction form
    706,666.75/1,059,864.90 = 274,384.22/x
  3. Step 3: Cross multiply
    706,666.75x = 1,059,864.90 × 274,384.22
  4. Step 4: Simplify right side
    706,666.75x = 290,810,203,891.88
  5. Step 5: Solve for x
    x = 290,810,203,891.88/706,666.75
  6. Step 6: Final answer
    x = 411,523.82

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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.