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Finding the Fourth Proportional to 557,060.90, 835,919.40 and 202,110.80

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Solution

The fourth proportional to 557,060.90, 835,919.40 and 202,110.80 is: 303,285.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,060.90 : 835,919.40 = 202,110.80 : x
  2. Step 2: Convert to fraction form
    557,060.90/835,919.40 = 202,110.80/x
  3. Step 3: Cross multiply
    557,060.90x = 835,919.40 × 202,110.80
  4. Step 4: Simplify right side
    557,060.90x = 168,948,338,669.52
  5. Step 5: Solve for x
    x = 168,948,338,669.52/557,060.90
  6. Step 6: Final answer
    x = 303,285.22

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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.