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Finding the Fourth Proportional to 445,412.52, 614,694.42 and 264,231.72

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Solution

The fourth proportional to 445,412.52, 614,694.42 and 264,231.72 is: 364,654.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,412.52 : 614,694.42 = 264,231.72 : x
  2. Step 2: Convert to fraction form
    445,412.52/614,694.42 = 264,231.72/x
  3. Step 3: Cross multiply
    445,412.52x = 614,694.42 × 264,231.72
  4. Step 4: Simplify right side
    445,412.52x = 162,421,763,871.00
  5. Step 5: Solve for x
    x = 162,421,763,871.00/445,412.52
  6. Step 6: Final answer
    x = 364,654.69

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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.