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Finding the Fourth Proportional to 373,166.72, 559,915.08 and 195,631.28

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Solution

The fourth proportional to 373,166.72, 559,915.08 and 195,631.28 is: 293,533.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,166.72 : 559,915.08 = 195,631.28 : x
  2. Step 2: Convert to fraction form
    373,166.72/559,915.08 = 195,631.28/x
  3. Step 3: Cross multiply
    373,166.72x = 559,915.08 × 195,631.28
  4. Step 4: Simplify right side
    373,166.72x = 109,536,903,791.70
  5. Step 5: Solve for x
    x = 109,536,903,791.70/373,166.72
  6. Step 6: Final answer
    x = 293,533.42

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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.