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Finding the Fourth Proportional to 365,754.24, 503,618.76 and 320,177.16

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Solution

The fourth proportional to 365,754.24, 503,618.76 and 320,177.16 is: 440,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,754.24 : 503,618.76 = 320,177.16 : x
  2. Step 2: Convert to fraction form
    365,754.24/503,618.76 = 320,177.16/x
  3. Step 3: Cross multiply
    365,754.24x = 503,618.76 × 320,177.16
  4. Step 4: Simplify right side
    365,754.24x = 161,247,224,299.52
  5. Step 5: Solve for x
    x = 161,247,224,299.52/365,754.24
  6. Step 6: Final answer
    x = 440,862.21

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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.