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Finding the Fourth Proportional to 451,162.40, 622,602.12 and 247,213.04

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Solution

The fourth proportional to 451,162.40, 622,602.12 and 247,213.04 is: 341,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,162.40 : 622,602.12 = 247,213.04 : x
  2. Step 2: Convert to fraction form
    451,162.40/622,602.12 = 247,213.04/x
  3. Step 3: Cross multiply
    451,162.40x = 622,602.12 × 247,213.04
  4. Step 4: Simplify right side
    451,162.40x = 153,915,362,795.65
  5. Step 5: Solve for x
    x = 153,915,362,795.65/451,162.40
  6. Step 6: Final answer
    x = 341,152.90

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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.