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Finding the Fourth Proportional to 220,274.17, 330,411.50 and 60,351.45

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Solution

The fourth proportional to 220,274.17, 330,411.50 and 60,351.45 is: 90,527.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,274.17 : 330,411.50 = 60,351.45 : x
  2. Step 2: Convert to fraction form
    220,274.17/330,411.50 = 60,351.45/x
  3. Step 3: Cross multiply
    220,274.17x = 330,411.50 × 60,351.45
  4. Step 4: Simplify right side
    220,274.17x = 19,940,814,552.61
  5. Step 5: Solve for x
    x = 19,940,814,552.61/220,274.17
  6. Step 6: Final answer
    x = 90,527.25

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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.