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Finding the Fourth Proportional to 352,331.58, 528,400.17 and 99,592.14

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Solution

The fourth proportional to 352,331.58, 528,400.17 and 99,592.14 is: 149,360.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,331.58 : 528,400.17 = 99,592.14 : x
  2. Step 2: Convert to fraction form
    352,331.58/528,400.17 = 99,592.14/x
  3. Step 3: Cross multiply
    352,331.58x = 528,400.17 × 99,592.14
  4. Step 4: Simplify right side
    352,331.58x = 52,624,503,706.66
  5. Step 5: Solve for x
    x = 52,624,503,706.66/352,331.58
  6. Step 6: Final answer
    x = 149,360.73

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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.