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Finding the Fourth Proportional to 270,401.98, 405,571.99 and 70,741.64

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Solution

The fourth proportional to 270,401.98, 405,571.99 and 70,741.64 is: 106,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,401.98 : 405,571.99 = 70,741.64 : x
  2. Step 2: Convert to fraction form
    270,401.98/405,571.99 = 70,741.64/x
  3. Step 3: Cross multiply
    270,401.98x = 405,571.99 × 70,741.64
  4. Step 4: Simplify right side
    270,401.98x = 28,690,827,710.66
  5. Step 5: Solve for x
    x = 28,690,827,710.66/270,401.98
  6. Step 6: Final answer
    x = 106,104.36

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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.