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Finding the Fourth Proportional to 802,196.60, 1,203,003.30 and 402,704.60

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Solution

The fourth proportional to 802,196.60, 1,203,003.30 and 402,704.60 is: 603,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,196.60 : 1,203,003.30 = 402,704.60 : x
  2. Step 2: Convert to fraction form
    802,196.60/1,203,003.30 = 402,704.60/x
  3. Step 3: Cross multiply
    802,196.60x = 1,203,003.30 × 402,704.60
  4. Step 4: Simplify right side
    802,196.60x = 484,454,962,725.18
  5. Step 5: Solve for x
    x = 484,454,962,725.18/802,196.60
  6. Step 6: Final answer
    x = 603,910.52

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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.