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Finding the Fourth Proportional to 324,070.55, 447,150.60 and 186,222.86

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Solution

The fourth proportional to 324,070.55, 447,150.60 and 186,222.86 is: 256,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,070.55 : 447,150.60 = 186,222.86 : x
  2. Step 2: Convert to fraction form
    324,070.55/447,150.60 = 186,222.86/x
  3. Step 3: Cross multiply
    324,070.55x = 447,150.60 × 186,222.86
  4. Step 4: Simplify right side
    324,070.55x = 83,269,660,881.41
  5. Step 5: Solve for x
    x = 83,269,660,881.41/324,070.55
  6. Step 6: Final answer
    x = 256,949.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.