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Finding the Fourth Proportional to 633,904.92, 945,270.27 and 628,219.80

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Solution

The fourth proportional to 633,904.92, 945,270.27 and 628,219.80 is: 936,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,904.92 : 945,270.27 = 628,219.80 : x
  2. Step 2: Convert to fraction form
    633,904.92/945,270.27 = 628,219.80/x
  3. Step 3: Cross multiply
    633,904.92x = 945,270.27 × 628,219.80
  4. Step 4: Simplify right side
    633,904.92x = 593,837,499,965.35
  5. Step 5: Solve for x
    x = 593,837,499,965.35/633,904.92
  6. Step 6: Final answer
    x = 936,792.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.