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Finding the Fourth Proportional to 297,166.70, 444,962.72 and 156,630.08

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Solution

The fourth proportional to 297,166.70, 444,962.72 and 156,630.08 is: 234,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,166.70 : 444,962.72 = 156,630.08 : x
  2. Step 2: Convert to fraction form
    297,166.70/444,962.72 = 156,630.08/x
  3. Step 3: Cross multiply
    297,166.70x = 444,962.72 × 156,630.08
  4. Step 4: Simplify right side
    297,166.70x = 69,694,546,430.62
  5. Step 5: Solve for x
    x = 69,694,546,430.62/297,166.70
  6. Step 6: Final answer
    x = 234,530.14

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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.