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Finding the Fourth Proportional to 362,221.20, 542,894.40 and 184,636.80

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Solution

The fourth proportional to 362,221.20, 542,894.40 and 184,636.80 is: 276,732.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,221.20 : 542,894.40 = 184,636.80 : x
  2. Step 2: Convert to fraction form
    362,221.20/542,894.40 = 184,636.80/x
  3. Step 3: Cross multiply
    362,221.20x = 542,894.40 × 184,636.80
  4. Step 4: Simplify right side
    362,221.20x = 100,238,284,753.92
  5. Step 5: Solve for x
    x = 100,238,284,753.92/362,221.20
  6. Step 6: Final answer
    x = 276,732.24

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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.