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Finding the Fourth Proportional to 493,870.08, 740,652.48 and 178,286.16

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Solution

The fourth proportional to 493,870.08, 740,652.48 and 178,286.16 is: 267,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,870.08 : 740,652.48 = 178,286.16 : x
  2. Step 2: Convert to fraction form
    493,870.08/740,652.48 = 178,286.16/x
  3. Step 3: Cross multiply
    493,870.08x = 740,652.48 × 178,286.16
  4. Step 4: Simplify right side
    493,870.08x = 132,048,086,553.68
  5. Step 5: Solve for x
    x = 132,048,086,553.68/493,870.08
  6. Step 6: Final answer
    x = 267,374.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.