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Finding the Fourth Proportional to 358,601.66, 494,870.29 and 197,456.32

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Solution

The fourth proportional to 358,601.66, 494,870.29 and 197,456.32 is: 272,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,601.66 : 494,870.29 = 197,456.32 : x
  2. Step 2: Convert to fraction form
    358,601.66/494,870.29 = 197,456.32/x
  3. Step 3: Cross multiply
    358,601.66x = 494,870.29 × 197,456.32
  4. Step 4: Simplify right side
    358,601.66x = 97,715,266,340.73
  5. Step 5: Solve for x
    x = 97,715,266,340.73/358,601.66
  6. Step 6: Final answer
    x = 272,489.72

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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.