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Finding the Fourth Proportional to 604,046.10, 906,069.15 and 543,911.70

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Solution

The fourth proportional to 604,046.10, 906,069.15 and 543,911.70 is: 815,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,046.10 : 906,069.15 = 543,911.70 : x
  2. Step 2: Convert to fraction form
    604,046.10/906,069.15 = 543,911.70/x
  3. Step 3: Cross multiply
    604,046.10x = 906,069.15 × 543,911.70
  4. Step 4: Simplify right side
    604,046.10x = 492,821,611,694.06
  5. Step 5: Solve for x
    x = 492,821,611,694.06/604,046.10
  6. Step 6: Final answer
    x = 815,867.55

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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.