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Finding the Fourth Proportional to 665,898.27, 918,943.16 and 364,092.27

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Solution

The fourth proportional to 665,898.27, 918,943.16 and 364,092.27 is: 502,449.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,898.27 : 918,943.16 = 364,092.27 : x
  2. Step 2: Convert to fraction form
    665,898.27/918,943.16 = 364,092.27/x
  3. Step 3: Cross multiply
    665,898.27x = 918,943.16 × 364,092.27
  4. Step 4: Simplify right side
    665,898.27x = 334,580,099,304.91
  5. Step 5: Solve for x
    x = 334,580,099,304.91/665,898.27
  6. Step 6: Final answer
    x = 502,449.27

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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.