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Finding the Fourth Proportional to 563,120.80, 843,503.60 and 263,856.80

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Solution

The fourth proportional to 563,120.80, 843,503.60 and 263,856.80 is: 395,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,120.80 : 843,503.60 = 263,856.80 : x
  2. Step 2: Convert to fraction form
    563,120.80/843,503.60 = 263,856.80/x
  3. Step 3: Cross multiply
    563,120.80x = 843,503.60 × 263,856.80
  4. Step 4: Simplify right side
    563,120.80x = 222,564,160,684.48
  5. Step 5: Solve for x
    x = 222,564,160,684.48/563,120.80
  6. Step 6: Final answer
    x = 395,233.42

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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.