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Finding the Fourth Proportional to 254,245.25, 349,614.29 and 220,652.93

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Solution

The fourth proportional to 254,245.25, 349,614.29 and 220,652.93 is: 303,421.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,245.25 : 349,614.29 = 220,652.93 : x
  2. Step 2: Convert to fraction form
    254,245.25/349,614.29 = 220,652.93/x
  3. Step 3: Cross multiply
    254,245.25x = 349,614.29 × 220,652.93
  4. Step 4: Simplify right side
    254,245.25x = 77,143,416,355.11
  5. Step 5: Solve for x
    x = 77,143,416,355.11/254,245.25
  6. Step 6: Final answer
    x = 303,421.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.