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Finding the Fourth Proportional to 324,571.20, 486,856.80 and 184,603.20

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Solution

The fourth proportional to 324,571.20, 486,856.80 and 184,603.20 is: 276,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,571.20 : 486,856.80 = 184,603.20 : x
  2. Step 2: Convert to fraction form
    324,571.20/486,856.80 = 184,603.20/x
  3. Step 3: Cross multiply
    324,571.20x = 486,856.80 × 184,603.20
  4. Step 4: Simplify right side
    324,571.20x = 89,875,323,221.76
  5. Step 5: Solve for x
    x = 89,875,323,221.76/324,571.20
  6. Step 6: Final answer
    x = 276,904.80

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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.