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Finding the Fourth Proportional to 310,803.80, 466,551.30 and 192,608.60

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Solution

The fourth proportional to 310,803.80, 466,551.30 and 192,608.60 is: 289,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,803.80 : 466,551.30 = 192,608.60 : x
  2. Step 2: Convert to fraction form
    310,803.80/466,551.30 = 192,608.60/x
  3. Step 3: Cross multiply
    310,803.80x = 466,551.30 × 192,608.60
  4. Step 4: Simplify right side
    310,803.80x = 89,861,792,721.18
  5. Step 5: Solve for x
    x = 89,861,792,721.18/310,803.80
  6. Step 6: Final answer
    x = 289,127.07

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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.