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Finding the Fourth Proportional to 656,600.30, 984,217.60 and 277,204.40

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Solution

The fourth proportional to 656,600.30, 984,217.60 and 277,204.40 is: 415,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,600.30 : 984,217.60 = 277,204.40 : x
  2. Step 2: Convert to fraction form
    656,600.30/984,217.60 = 277,204.40/x
  3. Step 3: Cross multiply
    656,600.30x = 984,217.60 × 277,204.40
  4. Step 4: Simplify right side
    656,600.30x = 272,829,449,277.44
  5. Step 5: Solve for x
    x = 272,829,449,277.44/656,600.30
  6. Step 6: Final answer
    x = 415,518.31

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1.5x scale

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.