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Finding the Fourth Proportional to 622,811.70, 934,447.95 and 202,101.30

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Solution

The fourth proportional to 622,811.70, 934,447.95 and 202,101.30 is: 303,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,811.70 : 934,447.95 = 202,101.30 : x
  2. Step 2: Convert to fraction form
    622,811.70/934,447.95 = 202,101.30/x
  3. Step 3: Cross multiply
    622,811.70x = 934,447.95 × 202,101.30
  4. Step 4: Simplify right side
    622,811.70x = 188,853,145,477.34
  5. Step 5: Solve for x
    x = 188,853,145,477.34/622,811.70
  6. Step 6: Final answer
    x = 303,226.71

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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.