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Finding the Fourth Proportional to 358,425.62, 494,627.49 and 197,279.52

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Solution

The fourth proportional to 358,425.62, 494,627.49 and 197,279.52 is: 272,245.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,425.62 : 494,627.49 = 197,279.52 : x
  2. Step 2: Convert to fraction form
    358,425.62/494,627.49 = 197,279.52/x
  3. Step 3: Cross multiply
    358,425.62x = 494,627.49 × 197,279.52
  4. Step 4: Simplify right side
    358,425.62x = 97,579,873,806.00
  5. Step 5: Solve for x
    x = 97,579,873,806.00/358,425.62
  6. Step 6: Final answer
    x = 272,245.81

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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.