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Finding the Fourth Proportional to 608,081.28, 839,388.96 and 544,308.80

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Solution

The fourth proportional to 608,081.28, 839,388.96 and 544,308.80 is: 751,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,081.28 : 839,388.96 = 544,308.80 : x
  2. Step 2: Convert to fraction form
    608,081.28/839,388.96 = 544,308.80/x
  3. Step 3: Cross multiply
    608,081.28x = 839,388.96 × 544,308.80
  4. Step 4: Simplify right side
    608,081.28x = 456,886,797,550.85
  5. Step 5: Solve for x
    x = 456,886,797,550.85/608,081.28
  6. Step 6: Final answer
    x = 751,358.10

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1.5x scale

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.