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Finding the Fourth Proportional to 253,670.72, 350,064.72 and 146,240.24

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Solution

The fourth proportional to 253,670.72, 350,064.72 and 146,240.24 is: 201,811.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,670.72 : 350,064.72 = 146,240.24 : x
  2. Step 2: Convert to fraction form
    253,670.72/350,064.72 = 146,240.24/x
  3. Step 3: Cross multiply
    253,670.72x = 350,064.72 × 146,240.24
  4. Step 4: Simplify right side
    253,670.72x = 51,193,548,668.33
  5. Step 5: Solve for x
    x = 51,193,548,668.33/253,670.72
  6. Step 6: Final answer
    x = 201,811.03

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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.