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Finding the Fourth Proportional to 802,073.40, 1,203,110.10 and 796,543.80

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Solution

The fourth proportional to 802,073.40, 1,203,110.10 and 796,543.80 is: 1,194,815.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,073.40 : 1,203,110.10 = 796,543.80 : x
  2. Step 2: Convert to fraction form
    802,073.40/1,203,110.10 = 796,543.80/x
  3. Step 3: Cross multiply
    802,073.40x = 1,203,110.10 × 796,543.80
  4. Step 4: Simplify right side
    802,073.40x = 958,329,890,872.38
  5. Step 5: Solve for x
    x = 958,329,890,872.38/802,073.40
  6. Step 6: Final answer
    x = 1,194,815.70

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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.