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Finding the Fourth Proportional to 548,434.27, 822,649.74 and 193,362.67

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Solution

The fourth proportional to 548,434.27, 822,649.74 and 193,362.67 is: 290,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,434.27 : 822,649.74 = 193,362.67 : x
  2. Step 2: Convert to fraction form
    548,434.27/822,649.74 = 193,362.67/x
  3. Step 3: Cross multiply
    548,434.27x = 822,649.74 × 193,362.67
  4. Step 4: Simplify right side
    548,434.27x = 159,069,750,201.21
  5. Step 5: Solve for x
    x = 159,069,750,201.21/548,434.27
  6. Step 6: Final answer
    x = 290,043.42

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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.