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Finding the Fourth Proportional to 329,690.55, 494,487.23 and 93,057.15

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Solution

The fourth proportional to 329,690.55, 494,487.23 and 93,057.15 is: 139,572.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,690.55 : 494,487.23 = 93,057.15 : x
  2. Step 2: Convert to fraction form
    329,690.55/494,487.23 = 93,057.15/x
  3. Step 3: Cross multiply
    329,690.55x = 494,487.23 × 93,057.15
  4. Step 4: Simplify right side
    329,690.55x = 46,015,571,869.91
  5. Step 5: Solve for x
    x = 46,015,571,869.91/329,690.55
  6. Step 6: Final answer
    x = 139,572.01

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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.