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Finding the Fourth Proportional to 297,763.03, 410,915.58 and 161,796.98

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Solution

The fourth proportional to 297,763.03, 410,915.58 and 161,796.98 is: 223,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,763.03 : 410,915.58 = 161,796.98 : x
  2. Step 2: Convert to fraction form
    297,763.03/410,915.58 = 161,796.98/x
  3. Step 3: Cross multiply
    297,763.03x = 410,915.58 × 161,796.98
  4. Step 4: Simplify right side
    297,763.03x = 66,484,899,474.46
  5. Step 5: Solve for x
    x = 66,484,899,474.46/297,763.03
  6. Step 6: Final answer
    x = 223,281.24

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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.