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Finding the Fourth Proportional to 833,964.60, 1,250,946.90 and 769,010.70

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Solution

The fourth proportional to 833,964.60, 1,250,946.90 and 769,010.70 is: 1,153,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,964.60 : 1,250,946.90 = 769,010.70 : x
  2. Step 2: Convert to fraction form
    833,964.60/1,250,946.90 = 769,010.70/x
  3. Step 3: Cross multiply
    833,964.60x = 1,250,946.90 × 769,010.70
  4. Step 4: Simplify right side
    833,964.60x = 961,991,551,231.83
  5. Step 5: Solve for x
    x = 961,991,551,231.83/833,964.60
  6. Step 6: Final answer
    x = 1,153,516.05

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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.