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Finding the Fourth Proportional to 633,592.13, 874,357.13 and 379,003.46

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Solution

The fourth proportional to 633,592.13, 874,357.13 and 379,003.46 is: 523,024.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,592.13 : 874,357.13 = 379,003.46 : x
  2. Step 2: Convert to fraction form
    633,592.13/874,357.13 = 379,003.46/x
  3. Step 3: Cross multiply
    633,592.13x = 874,357.13 × 379,003.46
  4. Step 4: Simplify right side
    633,592.13x = 331,384,374,121.39
  5. Step 5: Solve for x
    x = 331,384,374,121.39/633,592.13
  6. Step 6: Final answer
    x = 523,024.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.