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Finding the Fourth Proportional to 577,837.44, 866,586.92 and 217,748.48

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Solution

The fourth proportional to 577,837.44, 866,586.92 and 217,748.48 is: 326,558.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,837.44 : 866,586.92 = 217,748.48 : x
  2. Step 2: Convert to fraction form
    577,837.44/866,586.92 = 217,748.48/x
  3. Step 3: Cross multiply
    577,837.44x = 866,586.92 × 217,748.48
  4. Step 4: Simplify right side
    577,837.44x = 188,697,984,617.88
  5. Step 5: Solve for x
    x = 188,697,984,617.88/577,837.44
  6. Step 6: Final answer
    x = 326,558.94

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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.