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Finding the Fourth Proportional to 599,544.40, 899,057.40 and 299,909.20

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Solution

The fourth proportional to 599,544.40, 899,057.40 and 299,909.20 is: 449,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,544.40 : 899,057.40 = 299,909.20 : x
  2. Step 2: Convert to fraction form
    599,544.40/899,057.40 = 299,909.20/x
  3. Step 3: Cross multiply
    599,544.40x = 899,057.40 × 299,909.20
  4. Step 4: Simplify right side
    599,544.40x = 269,635,585,588.08
  5. Step 5: Solve for x
    x = 269,635,585,588.08/599,544.40
  6. Step 6: Final answer
    x = 449,734.14

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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.