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Finding the Fourth Proportional to 557,114.78, 836,004.17 and 202,156.49

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Solution

The fourth proportional to 557,114.78, 836,004.17 and 202,156.49 is: 303,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,114.78 : 836,004.17 = 202,156.49 : x
  2. Step 2: Convert to fraction form
    557,114.78/836,004.17 = 202,156.49/x
  3. Step 3: Cross multiply
    557,114.78x = 836,004.17 × 202,156.49
  4. Step 4: Simplify right side
    557,114.78x = 169,003,671,227.97
  5. Step 5: Solve for x
    x = 169,003,671,227.97/557,114.78
  6. Step 6: Final answer
    x = 303,355.21

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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.