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Finding the Fourth Proportional to 358,624.25, 494,904.69 and 197,479.94

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Solution

The fourth proportional to 358,624.25, 494,904.69 and 197,479.94 is: 272,524.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,624.25 : 494,904.69 = 197,479.94 : x
  2. Step 2: Convert to fraction form
    358,624.25/494,904.69 = 197,479.94/x
  3. Step 3: Cross multiply
    358,624.25x = 494,904.69 × 197,479.94
  4. Step 4: Simplify right side
    358,624.25x = 97,733,747,499.52
  5. Step 5: Solve for x
    x = 97,733,747,499.52/358,624.25
  6. Step 6: Final answer
    x = 272,524.09

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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.