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Finding the Fourth Proportional to 358,618.91, 494,897.37 and 197,479.73

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Solution

The fourth proportional to 358,618.91, 494,897.37 and 197,479.73 is: 272,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,618.91 : 494,897.37 = 197,479.73 : x
  2. Step 2: Convert to fraction form
    358,618.91/494,897.37 = 197,479.73/x
  3. Step 3: Cross multiply
    358,618.91x = 494,897.37 × 197,479.73
  4. Step 4: Simplify right side
    358,618.91x = 97,732,200,242.55
  5. Step 5: Solve for x
    x = 97,732,200,242.55/358,618.91
  6. Step 6: Final answer
    x = 272,523.84

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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.