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Finding the Fourth Proportional to 358,379.16, 494,552.76 and 197,234.10

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Solution

The fourth proportional to 358,379.16, 494,552.76 and 197,234.10 is: 272,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,379.16 : 494,552.76 = 197,234.10 : x
  2. Step 2: Convert to fraction form
    358,379.16/494,552.76 = 197,234.10/x
  3. Step 3: Cross multiply
    358,379.16x = 494,552.76 × 197,234.10
  4. Step 4: Simplify right side
    358,379.16x = 97,542,668,521.12
  5. Step 5: Solve for x
    x = 97,542,668,521.12/358,379.16
  6. Step 6: Final answer
    x = 272,177.29

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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.