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Finding the Fourth Proportional to 348,216.87, 522,472.95 and 190,260.80

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Solution

The fourth proportional to 348,216.87, 522,472.95 and 190,260.80 is: 285,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,216.87 : 522,472.95 = 190,260.80 : x
  2. Step 2: Convert to fraction form
    348,216.87/522,472.95 = 190,260.80/x
  3. Step 3: Cross multiply
    348,216.87x = 522,472.95 × 190,260.80
  4. Step 4: Simplify right side
    348,216.87x = 99,406,120,792.27
  5. Step 5: Solve for x
    x = 99,406,120,792.27/348,216.87
  6. Step 6: Final answer
    x = 285,471.87

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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.