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Finding the Fourth Proportional to 599,239.55, 898,862.69 and 199,879.22

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Solution

The fourth proportional to 599,239.55, 898,862.69 and 199,879.22 is: 299,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,239.55 : 898,862.69 = 199,879.22 : x
  2. Step 2: Convert to fraction form
    599,239.55/898,862.69 = 199,879.22/x
  3. Step 3: Cross multiply
    599,239.55x = 898,862.69 × 199,879.22
  4. Step 4: Simplify right side
    599,239.55x = 179,663,974,612.06
  5. Step 5: Solve for x
    x = 179,663,974,612.06/599,239.55
  6. Step 6: Final answer
    x = 299,819.96

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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.