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Finding the Fourth Proportional to 329,062.87, 493,492.23 and 118,673.47

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Solution

The fourth proportional to 329,062.87, 493,492.23 and 118,673.47 is: 177,973.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,062.87 : 493,492.23 = 118,673.47 : x
  2. Step 2: Convert to fraction form
    329,062.87/493,492.23 = 118,673.47/x
  3. Step 3: Cross multiply
    329,062.87x = 493,492.23 × 118,673.47
  4. Step 4: Simplify right side
    329,062.87x = 58,564,435,352.14
  5. Step 5: Solve for x
    x = 58,564,435,352.14/329,062.87
  6. Step 6: Final answer
    x = 177,973.39

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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.