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Finding the Fourth Proportional to 453,492.80, 680,311.20 and 154,001.60

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Solution

The fourth proportional to 453,492.80, 680,311.20 and 154,001.60 is: 231,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,492.80 : 680,311.20 = 154,001.60 : x
  2. Step 2: Convert to fraction form
    453,492.80/680,311.20 = 154,001.60/x
  3. Step 3: Cross multiply
    453,492.80x = 680,311.20 × 154,001.60
  4. Step 4: Simplify right side
    453,492.80x = 104,769,013,297.92
  5. Step 5: Solve for x
    x = 104,769,013,297.92/453,492.80
  6. Step 6: Final answer
    x = 231,026.85

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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.