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Finding the Fourth Proportional to 508,802.88, 763,256.56 and 134,825.88

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Solution

The fourth proportional to 508,802.88, 763,256.56 and 134,825.88 is: 202,252.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,802.88 : 763,256.56 = 134,825.88 : x
  2. Step 2: Convert to fraction form
    508,802.88/763,256.56 = 134,825.88/x
  3. Step 3: Cross multiply
    508,802.88x = 763,256.56 × 134,825.88
  4. Step 4: Simplify right side
    508,802.88x = 102,906,737,367.77
  5. Step 5: Solve for x
    x = 102,906,737,367.77/508,802.88
  6. Step 6: Final answer
    x = 202,252.66

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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.