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Finding the Fourth Proportional to 557,169.70, 835,657.35 and 202,000.90

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Solution

The fourth proportional to 557,169.70, 835,657.35 and 202,000.90 is: 302,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,169.70 : 835,657.35 = 202,000.90 : x
  2. Step 2: Convert to fraction form
    557,169.70/835,657.35 = 202,000.90/x
  3. Step 3: Cross multiply
    557,169.70x = 835,657.35 × 202,000.90
  4. Step 4: Simplify right side
    557,169.70x = 168,803,536,791.62
  5. Step 5: Solve for x
    x = 168,803,536,791.62/557,169.70
  6. Step 6: Final answer
    x = 302,966.11

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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.