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Finding the Fourth Proportional to 629,092.70, 941,795.85 and 555,364.70

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Solution

The fourth proportional to 629,092.70, 941,795.85 and 555,364.70 is: 831,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,092.70 : 941,795.85 = 555,364.70 : x
  2. Step 2: Convert to fraction form
    629,092.70/941,795.85 = 555,364.70/x
  3. Step 3: Cross multiply
    629,092.70x = 941,795.85 × 555,364.70
  4. Step 4: Simplify right side
    629,092.70x = 523,040,169,696.50
  5. Step 5: Solve for x
    x = 523,040,169,696.50/629,092.70
  6. Step 6: Final answer
    x = 831,419.87

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Double scale
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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.