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Finding the Fourth Proportional to 901,902.76, 1,350,706.78 and 522,023.56

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Solution

The fourth proportional to 901,902.76, 1,350,706.78 and 522,023.56 is: 781,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,902.76 : 1,350,706.78 = 522,023.56 : x
  2. Step 2: Convert to fraction form
    901,902.76/1,350,706.78 = 522,023.56/x
  3. Step 3: Cross multiply
    901,902.76x = 1,350,706.78 × 522,023.56
  4. Step 4: Simplify right side
    901,902.76x = 705,100,761,811.74
  5. Step 5: Solve for x
    x = 705,100,761,811.74/901,902.76
  6. Step 6: Final answer
    x = 781,792.44

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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.