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Finding the Fourth Proportional to 220,462.92, 330,658.95 and 60,501.48

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Solution

The fourth proportional to 220,462.92, 330,658.95 and 60,501.48 is: 90,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,462.92 : 330,658.95 = 60,501.48 : x
  2. Step 2: Convert to fraction form
    220,462.92/330,658.95 = 60,501.48/x
  3. Step 3: Cross multiply
    220,462.92x = 330,658.95 × 60,501.48
  4. Step 4: Simplify right side
    220,462.92x = 20,005,355,850.25
  5. Step 5: Solve for x
    x = 20,005,355,850.25/220,462.92
  6. Step 6: Final answer
    x = 90,742.50

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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.