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Finding the Fourth Proportional to 604,216.18, 906,324.27 and 287,713.54

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Solution

The fourth proportional to 604,216.18, 906,324.27 and 287,713.54 is: 431,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,216.18 : 906,324.27 = 287,713.54 : x
  2. Step 2: Convert to fraction form
    604,216.18/906,324.27 = 287,713.54/x
  3. Step 3: Cross multiply
    604,216.18x = 906,324.27 × 287,713.54
  4. Step 4: Simplify right side
    604,216.18x = 260,761,764,109.62
  5. Step 5: Solve for x
    x = 260,761,764,109.62/604,216.18
  6. Step 6: Final answer
    x = 431,570.31

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Similar ratio
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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.