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Finding the Fourth Proportional to 501,048.30, 751,572.45 and 329,806.20

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Solution

The fourth proportional to 501,048.30, 751,572.45 and 329,806.20 is: 494,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,048.30 : 751,572.45 = 329,806.20 : x
  2. Step 2: Convert to fraction form
    501,048.30/751,572.45 = 329,806.20/x
  3. Step 3: Cross multiply
    501,048.30x = 751,572.45 × 329,806.20
  4. Step 4: Simplify right side
    501,048.30x = 247,873,253,759.19
  5. Step 5: Solve for x
    x = 247,873,253,759.19/501,048.30
  6. Step 6: Final answer
    x = 494,709.30

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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.