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Finding the Fourth Proportional to 599,566.80, 899,350.20 and 399,237.60

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Solution

The fourth proportional to 599,566.80, 899,350.20 and 399,237.60 is: 598,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,566.80 : 899,350.20 = 399,237.60 : x
  2. Step 2: Convert to fraction form
    599,566.80/899,350.20 = 399,237.60/x
  3. Step 3: Cross multiply
    599,566.80x = 899,350.20 × 399,237.60
  4. Step 4: Simplify right side
    599,566.80x = 359,054,415,407.52
  5. Step 5: Solve for x
    x = 359,054,415,407.52/599,566.80
  6. Step 6: Final answer
    x = 598,856.40

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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.