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Finding the Fourth Proportional to 348,216.53, 522,472.55 and 190,260.45

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Solution

The fourth proportional to 348,216.53, 522,472.55 and 190,260.45 is: 285,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,216.53 : 522,472.55 = 190,260.45 : x
  2. Step 2: Convert to fraction form
    348,216.53/522,472.55 = 190,260.45/x
  3. Step 3: Cross multiply
    348,216.53x = 522,472.55 × 190,260.45
  4. Step 4: Simplify right side
    348,216.53x = 99,405,861,524.35
  5. Step 5: Solve for x
    x = 99,405,861,524.35/348,216.53
  6. Step 6: Final answer
    x = 285,471.41

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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.