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Finding the Fourth Proportional to 322,737.29, 483,070.75 and 172,602.17

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Solution

The fourth proportional to 322,737.29, 483,070.75 and 172,602.17 is: 258,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,737.29 : 483,070.75 = 172,602.17 : x
  2. Step 2: Convert to fraction form
    322,737.29/483,070.75 = 172,602.17/x
  3. Step 3: Cross multiply
    322,737.29x = 483,070.75 × 172,602.17
  4. Step 4: Simplify right side
    322,737.29x = 83,379,059,713.53
  5. Step 5: Solve for x
    x = 83,379,059,713.53/322,737.29
  6. Step 6: Final answer
    x = 258,349.63

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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.