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Finding the Fourth Proportional to 557,167.70, 835,654.35 and 201,998.90

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Solution

The fourth proportional to 557,167.70, 835,654.35 and 201,998.90 is: 302,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,167.70 : 835,654.35 = 201,998.90 : x
  2. Step 2: Convert to fraction form
    557,167.70/835,654.35 = 201,998.90/x
  3. Step 3: Cross multiply
    557,167.70x = 835,654.35 × 201,998.90
  4. Step 4: Simplify right side
    557,167.70x = 168,801,259,480.22
  5. Step 5: Solve for x
    x = 168,801,259,480.22/557,167.70
  6. Step 6: Final answer
    x = 302,963.11

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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.