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Finding the Fourth Proportional to 324,071.11, 447,151.37 and 186,223.39

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Solution

The fourth proportional to 324,071.11, 447,151.37 and 186,223.39 is: 256,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,071.11 : 447,151.37 = 186,223.39 : x
  2. Step 2: Convert to fraction form
    324,071.11/447,151.37 = 186,223.39/x
  3. Step 3: Cross multiply
    324,071.11x = 447,151.37 × 186,223.39
  4. Step 4: Simplify right side
    324,071.11x = 83,270,041,915.55
  5. Step 5: Solve for x
    x = 83,270,041,915.55/324,071.11
  6. Step 6: Final answer
    x = 256,949.91

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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.