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Finding the Fourth Proportional to 622,820.70, 934,461.45 and 202,110.30

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Solution

The fourth proportional to 622,820.70, 934,461.45 and 202,110.30 is: 303,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,820.70 : 934,461.45 = 202,110.30 : x
  2. Step 2: Convert to fraction form
    622,820.70/934,461.45 = 202,110.30/x
  3. Step 3: Cross multiply
    622,820.70x = 934,461.45 × 202,110.30
  4. Step 4: Simplify right side
    622,820.70x = 188,864,283,997.94
  5. Step 5: Solve for x
    x = 188,864,283,997.94/622,820.70
  6. Step 6: Final answer
    x = 303,240.22

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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.