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Finding the Fourth Proportional to 548,105.44, 822,486.18 and 193,417.72

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Solution

The fourth proportional to 548,105.44, 822,486.18 and 193,417.72 is: 290,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,105.44 : 822,486.18 = 193,417.72 : x
  2. Step 2: Convert to fraction form
    548,105.44/822,486.18 = 193,417.72/x
  3. Step 3: Cross multiply
    548,105.44x = 822,486.18 × 193,417.72
  4. Step 4: Simplify right side
    548,105.44x = 159,083,401,667.11
  5. Step 5: Solve for x
    x = 159,083,401,667.11/548,105.44
  6. Step 6: Final answer
    x = 290,242.33

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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.