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Finding the Fourth Proportional to 496,514.27, 744,772.96 and 136,689.93

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Solution

The fourth proportional to 496,514.27, 744,772.96 and 136,689.93 is: 205,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,514.27 : 744,772.96 = 136,689.93 : x
  2. Step 2: Convert to fraction form
    496,514.27/744,772.96 = 136,689.93/x
  3. Step 3: Cross multiply
    496,514.27x = 744,772.96 × 136,689.93
  4. Step 4: Simplify right side
    496,514.27x = 101,802,963,939.16
  5. Step 5: Solve for x
    x = 101,802,963,939.16/496,514.27
  6. Step 6: Final answer
    x = 205,035.32

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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.