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Finding the Fourth Proportional to 667,826.72, 1,001,856.72 and 293,840

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Solution

The fourth proportional to 667,826.72, 1,001,856.72 and 293,840 is: 440,811.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,826.72 : 1,001,856.72 = 293,840 : x
  2. Step 2: Convert to fraction form
    667,826.72/1,001,856.72 = 293,840/x
  3. Step 3: Cross multiply
    667,826.72x = 1,001,856.72 × 293,840
  4. Step 4: Simplify right side
    667,826.72x = 294,385,578,604.80
  5. Step 5: Solve for x
    x = 294,385,578,604.80/667,826.72
  6. Step 6: Final answer
    x = 440,811.32

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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.