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Finding the Fourth Proportional to 263,622.98, 395,401.66 and 105,798.13

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Solution

The fourth proportional to 263,622.98, 395,401.66 and 105,798.13 is: 158,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,622.98 : 395,401.66 = 105,798.13 : x
  2. Step 2: Convert to fraction form
    263,622.98/395,401.66 = 105,798.13/x
  3. Step 3: Cross multiply
    263,622.98x = 395,401.66 × 105,798.13
  4. Step 4: Simplify right side
    263,622.98x = 41,832,756,226.90
  5. Step 5: Solve for x
    x = 41,832,756,226.90/263,622.98
  6. Step 6: Final answer
    x = 158,684.03

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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.