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Finding the Fourth Proportional to 599,467.20, 899,200.80 and 550,478.40

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Solution

The fourth proportional to 599,467.20, 899,200.80 and 550,478.40 is: 825,717.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,467.20 : 899,200.80 = 550,478.40 : x
  2. Step 2: Convert to fraction form
    599,467.20/899,200.80 = 550,478.40/x
  3. Step 3: Cross multiply
    599,467.20x = 899,200.80 × 550,478.40
  4. Step 4: Simplify right side
    599,467.20x = 494,990,617,662.72
  5. Step 5: Solve for x
    x = 494,990,617,662.72/599,467.20
  6. Step 6: Final answer
    x = 825,717.60

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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.