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Finding the Fourth Proportional to 217,244.40, 325,607.40 and 194,953.20

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Solution

The fourth proportional to 217,244.40, 325,607.40 and 194,953.20 is: 292,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,244.40 : 325,607.40 = 194,953.20 : x
  2. Step 2: Convert to fraction form
    217,244.40/325,607.40 = 194,953.20/x
  3. Step 3: Cross multiply
    217,244.40x = 325,607.40 × 194,953.20
  4. Step 4: Simplify right side
    217,244.40x = 63,478,204,573.68
  5. Step 5: Solve for x
    x = 63,478,204,573.68/217,244.40
  6. Step 6: Final answer
    x = 292,197.20

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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.