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Finding the Fourth Proportional to 622,810.70, 934,446.45 and 202,100.30

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Solution

The fourth proportional to 622,810.70, 934,446.45 and 202,100.30 is: 303,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,810.70 : 934,446.45 = 202,100.30 : x
  2. Step 2: Convert to fraction form
    622,810.70/934,446.45 = 202,100.30/x
  3. Step 3: Cross multiply
    622,810.70x = 934,446.45 × 202,100.30
  4. Step 4: Simplify right side
    622,810.70x = 188,851,907,878.94
  5. Step 5: Solve for x
    x = 188,851,907,878.94/622,810.70
  6. Step 6: Final answer
    x = 303,225.21

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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.