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Finding the Fourth Proportional to 358,472.33, 494,691.69 and 197,326.56

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Solution

The fourth proportional to 358,472.33, 494,691.69 and 197,326.56 is: 272,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,472.33 : 494,691.69 = 197,326.56 : x
  2. Step 2: Convert to fraction form
    358,472.33/494,691.69 = 197,326.56/x
  3. Step 3: Cross multiply
    358,472.33x = 494,691.69 × 197,326.56
  4. Step 4: Simplify right side
    358,472.33x = 97,615,809,448.29
  5. Step 5: Solve for x
    x = 97,615,809,448.29/358,472.33
  6. Step 6: Final answer
    x = 272,310.58

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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.