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Finding the Fourth Proportional to 324,122.40, 485,600.40 and 277,466.40

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Solution

The fourth proportional to 324,122.40, 485,600.40 and 277,466.40 is: 415,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,122.40 : 485,600.40 = 277,466.40 : x
  2. Step 2: Convert to fraction form
    324,122.40/485,600.40 = 277,466.40/x
  3. Step 3: Cross multiply
    324,122.40x = 485,600.40 × 277,466.40
  4. Step 4: Simplify right side
    324,122.40x = 134,737,794,826.56
  5. Step 5: Solve for x
    x = 134,737,794,826.56/324,122.40
  6. Step 6: Final answer
    x = 415,700.35

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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.