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Finding the Fourth Proportional to 457,682.58, 686,514.15 and 158,153.94

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Solution

The fourth proportional to 457,682.58, 686,514.15 and 158,153.94 is: 237,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,682.58 : 686,514.15 = 158,153.94 : x
  2. Step 2: Convert to fraction form
    457,682.58/686,514.15 = 158,153.94/x
  3. Step 3: Cross multiply
    457,682.58x = 686,514.15 × 158,153.94
  4. Step 4: Simplify right side
    457,682.58x = 108,574,917,688.25
  5. Step 5: Solve for x
    x = 108,574,917,688.25/457,682.58
  6. Step 6: Final answer
    x = 237,227.55

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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.