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Finding the Fourth Proportional to 192,274.20, 288,411.30 and 192,274.20

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Solution

The fourth proportional to 192,274.20, 288,411.30 and 192,274.20 is: 288,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,274.20 : 288,411.30 = 192,274.20 : x
  2. Step 2: Convert to fraction form
    192,274.20/288,411.30 = 192,274.20/x
  3. Step 3: Cross multiply
    192,274.20x = 288,411.30 × 192,274.20
  4. Step 4: Simplify right side
    192,274.20x = 55,454,051,978.46
  5. Step 5: Solve for x
    x = 55,454,051,978.46/192,274.20
  6. Step 6: Final answer
    x = 288,411.30

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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.