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Finding the Fourth Proportional to 486,704.04, 730,094.40 and 171,231.72

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Solution

The fourth proportional to 486,704.04, 730,094.40 and 171,231.72 is: 256,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,704.04 : 730,094.40 = 171,231.72 : x
  2. Step 2: Convert to fraction form
    486,704.04/730,094.40 = 171,231.72/x
  3. Step 3: Cross multiply
    486,704.04x = 730,094.40 × 171,231.72
  4. Step 4: Simplify right side
    486,704.04x = 125,015,319,874.37
  5. Step 5: Solve for x
    x = 125,015,319,874.37/486,704.04
  6. Step 6: Final answer
    x = 256,861.07

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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.