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Finding the Fourth Proportional to 911,363.60, 1,365,077.10 and 793,265.60

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Solution

The fourth proportional to 911,363.60, 1,365,077.10 and 793,265.60 is: 1,188,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,363.60 : 1,365,077.10 = 793,265.60 : x
  2. Step 2: Convert to fraction form
    911,363.60/1,365,077.10 = 793,265.60/x
  3. Step 3: Cross multiply
    911,363.60x = 1,365,077.10 × 793,265.60
  4. Step 4: Simplify right side
    911,363.60x = 1,082,868,704,777.76
  5. Step 5: Solve for x
    x = 1,082,868,704,777.76/911,363.60
  6. Step 6: Final answer
    x = 1,188,185.16

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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.