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Finding the Fourth Proportional to 329,053.23, 493,477.79 and 118,663.83

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Solution

The fourth proportional to 329,053.23, 493,477.79 and 118,663.83 is: 177,958.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,053.23 : 493,477.79 = 118,663.83 : x
  2. Step 2: Convert to fraction form
    329,053.23/493,477.79 = 118,663.83/x
  3. Step 3: Cross multiply
    329,053.23x = 493,477.79 × 118,663.83
  4. Step 4: Simplify right side
    329,053.23x = 58,557,963,988.02
  5. Step 5: Solve for x
    x = 58,557,963,988.02/329,053.23
  6. Step 6: Final answer
    x = 177,958.94

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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.