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Finding the Fourth Proportional to 455,279.34, 682,758.66 and 151,591.03

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Solution

The fourth proportional to 455,279.34, 682,758.66 and 151,591.03 is: 227,333.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,279.34 : 682,758.66 = 151,591.03 : x
  2. Step 2: Convert to fraction form
    455,279.34/682,758.66 = 151,591.03/x
  3. Step 3: Cross multiply
    455,279.34x = 682,758.66 × 151,591.03
  4. Step 4: Simplify right side
    455,279.34x = 103,500,088,510.82
  5. Step 5: Solve for x
    x = 103,500,088,510.82/455,279.34
  6. Step 6: Final answer
    x = 227,333.15

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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.