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Finding the Fourth Proportional to 667,810.84, 1,000,054.58 and 467,191.86

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Solution

The fourth proportional to 667,810.84, 1,000,054.58 and 467,191.86 is: 699,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,810.84 : 1,000,054.58 = 467,191.86 : x
  2. Step 2: Convert to fraction form
    667,810.84/1,000,054.58 = 467,191.86/x
  3. Step 3: Cross multiply
    667,810.84x = 1,000,054.58 × 467,191.86
  4. Step 4: Simplify right side
    667,810.84x = 467,217,359,331.72
  5. Step 5: Solve for x
    x = 467,217,359,331.72/667,810.84
  6. Step 6: Final answer
    x = 699,625.30

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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.