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Finding the Fourth Proportional to 453,706.20, 680,624.10 and 154,200.60

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Solution

The fourth proportional to 453,706.20, 680,624.10 and 154,200.60 is: 231,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,706.20 : 680,624.10 = 154,200.60 : x
  2. Step 2: Convert to fraction form
    453,706.20/680,624.10 = 154,200.60/x
  3. Step 3: Cross multiply
    453,706.20x = 680,624.10 × 154,200.60
  4. Step 4: Simplify right side
    453,706.20x = 104,952,644,594.46
  5. Step 5: Solve for x
    x = 104,952,644,594.46/453,706.20
  6. Step 6: Final answer
    x = 231,322.92

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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.