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Finding the Fourth Proportional to 534,054.72, 801,080.04 and 218,511.54

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Solution

The fourth proportional to 534,054.72, 801,080.04 and 218,511.54 is: 327,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,054.72 : 801,080.04 = 218,511.54 : x
  2. Step 2: Convert to fraction form
    534,054.72/801,080.04 = 218,511.54/x
  3. Step 3: Cross multiply
    534,054.72x = 801,080.04 × 218,511.54
  4. Step 4: Simplify right side
    534,054.72x = 175,045,233,203.66
  5. Step 5: Solve for x
    x = 175,045,233,203.66/534,054.72
  6. Step 6: Final answer
    x = 327,766.48

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1.5x scale

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.