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Finding the Fourth Proportional to 358,323.88, 494,489.28 and 197,174.38

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Solution

The fourth proportional to 358,323.88, 494,489.28 and 197,174.38 is: 272,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,323.88 : 494,489.28 = 197,174.38 : x
  2. Step 2: Convert to fraction form
    358,323.88/494,489.28 = 197,174.38/x
  3. Step 3: Cross multiply
    358,323.88x = 494,489.28 × 197,174.38
  4. Step 4: Simplify right side
    358,323.88x = 97,500,617,200.65
  5. Step 5: Solve for x
    x = 97,500,617,200.65/358,323.88
  6. Step 6: Final answer
    x = 272,101.92

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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.