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Finding the Fourth Proportional to 557,169.20, 835,656.60 and 202,000.40

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Solution

The fourth proportional to 557,169.20, 835,656.60 and 202,000.40 is: 302,965.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,169.20 : 835,656.60 = 202,000.40 : x
  2. Step 2: Convert to fraction form
    557,169.20/835,656.60 = 202,000.40/x
  3. Step 3: Cross multiply
    557,169.20x = 835,656.60 × 202,000.40
  4. Step 4: Simplify right side
    557,169.20x = 168,802,967,462.64
  5. Step 5: Solve for x
    x = 168,802,967,462.64/557,169.20
  6. Step 6: Final answer
    x = 302,965.36

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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.