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Finding the Fourth Proportional to 503,695.17, 755,361.32 and 166,673.61

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Solution

The fourth proportional to 503,695.17, 755,361.32 and 166,673.61 is: 249,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,695.17 : 755,361.32 = 166,673.61 : x
  2. Step 2: Convert to fraction form
    503,695.17/755,361.32 = 166,673.61/x
  3. Step 3: Cross multiply
    503,695.17x = 755,361.32 × 166,673.61
  4. Step 4: Simplify right side
    503,695.17x = 125,898,797,225.40
  5. Step 5: Solve for x
    x = 125,898,797,225.40/503,695.17
  6. Step 6: Final answer
    x = 249,950.38

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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.