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Finding the Fourth Proportional to 599,770.10, 899,701.66 and 200,412.30

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Solution

The fourth proportional to 599,770.10, 899,701.66 and 200,412.30 is: 300,633.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,770.10 : 899,701.66 = 200,412.30 : x
  2. Step 2: Convert to fraction form
    599,770.10/899,701.66 = 200,412.30/x
  3. Step 3: Cross multiply
    599,770.10x = 899,701.66 × 200,412.30
  4. Step 4: Simplify right side
    599,770.10x = 180,311,278,994.42
  5. Step 5: Solve for x
    x = 180,311,278,994.42/599,770.10
  6. Step 6: Final answer
    x = 300,633.99

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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.