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Finding the Fourth Proportional to 866,205, 1,299,285.60 and 235,102.44

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Solution

The fourth proportional to 866,205, 1,299,285.60 and 235,102.44 is: 352,647.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,205 : 1,299,285.60 = 235,102.44 : x
  2. Step 2: Convert to fraction form
    866,205/1,299,285.60 = 235,102.44/x
  3. Step 3: Cross multiply
    866,205x = 1,299,285.60 × 235,102.44
  4. Step 4: Simplify right side
    866,205x = 305,465,214,816.86
  5. Step 5: Solve for x
    x = 305,465,214,816.86/866,205
  6. Step 6: Final answer
    x = 352,647.72

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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.