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Finding the Fourth Proportional to 297,928.72, 411,136.72 and 161,966.04

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Solution

The fourth proportional to 297,928.72, 411,136.72 and 161,966.04 is: 223,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,928.72 : 411,136.72 = 161,966.04 : x
  2. Step 2: Convert to fraction form
    297,928.72/411,136.72 = 161,966.04/x
  3. Step 3: Cross multiply
    297,928.72x = 411,136.72 × 161,966.04
  4. Step 4: Simplify right side
    297,928.72x = 66,590,186,436.99
  5. Step 5: Solve for x
    x = 66,590,186,436.99/297,928.72
  6. Step 6: Final answer
    x = 223,510.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.