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Finding the Fourth Proportional to 656,264.22, 984,478.44 and 256,853.22

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Solution

The fourth proportional to 656,264.22, 984,478.44 and 256,853.22 is: 385,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,264.22 : 984,478.44 = 256,853.22 : x
  2. Step 2: Convert to fraction form
    656,264.22/984,478.44 = 256,853.22/x
  3. Step 3: Cross multiply
    656,264.22x = 984,478.44 × 256,853.22
  4. Step 4: Simplify right side
    656,264.22x = 252,866,457,334.58
  5. Step 5: Solve for x
    x = 252,866,457,334.58/656,264.22
  6. Step 6: Final answer
    x = 385,311.97

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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.