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Finding the Fourth Proportional to 548,715.60, 822,718.20 and 233,086.80

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Solution

The fourth proportional to 548,715.60, 822,718.20 and 233,086.80 is: 349,479.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,715.60 : 822,718.20 = 233,086.80 : x
  2. Step 2: Convert to fraction form
    548,715.60/822,718.20 = 233,086.80/x
  3. Step 3: Cross multiply
    548,715.60x = 822,718.20 × 233,086.80
  4. Step 4: Simplify right side
    548,715.60x = 191,764,752,539.76
  5. Step 5: Solve for x
    x = 191,764,752,539.76/548,715.60
  6. Step 6: Final answer
    x = 349,479.32

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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.