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Finding the Fourth Proportional to 489,027.78, 733,663.17 and 173,516.58

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Solution

The fourth proportional to 489,027.78, 733,663.17 and 173,516.58 is: 260,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,027.78 : 733,663.17 = 173,516.58 : x
  2. Step 2: Convert to fraction form
    489,027.78/733,663.17 = 173,516.58/x
  3. Step 3: Cross multiply
    489,027.78x = 733,663.17 × 173,516.58
  4. Step 4: Simplify right side
    489,027.78x = 127,302,724,130.36
  5. Step 5: Solve for x
    x = 127,302,724,130.36/489,027.78
  6. Step 6: Final answer
    x = 260,317.98

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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.