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Finding the Fourth Proportional to 600,982.80, 900,164.16 and 300,940.08

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Solution

The fourth proportional to 600,982.80, 900,164.16 and 300,940.08 is: 450,754.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,982.80 : 900,164.16 = 300,940.08 : x
  2. Step 2: Convert to fraction form
    600,982.80/900,164.16 = 300,940.08/x
  3. Step 3: Cross multiply
    600,982.80x = 900,164.16 × 300,940.08
  4. Step 4: Simplify right side
    600,982.80x = 270,895,474,323.53
  5. Step 5: Solve for x
    x = 270,895,474,323.53/600,982.80
  6. Step 6: Final answer
    x = 450,754.12

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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.