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Finding the Fourth Proportional to 911,101.60, 1,367,235.60 and 532,021.60

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Solution

The fourth proportional to 911,101.60, 1,367,235.60 and 532,021.60 is: 798,372.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,101.60 : 1,367,235.60 = 532,021.60 : x
  2. Step 2: Convert to fraction form
    911,101.60/1,367,235.60 = 532,021.60/x
  3. Step 3: Cross multiply
    911,101.60x = 1,367,235.60 × 532,021.60
  4. Step 4: Simplify right side
    911,101.60x = 727,398,871,488.96
  5. Step 5: Solve for x
    x = 727,398,871,488.96/911,101.60
  6. Step 6: Final answer
    x = 798,372.95

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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.