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Finding the Fourth Proportional to 422,224.83, 582,670.07 and 228,632.51

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Solution

The fourth proportional to 422,224.83, 582,670.07 and 228,632.51 is: 315,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,224.83 : 582,670.07 = 228,632.51 : x
  2. Step 2: Convert to fraction form
    422,224.83/582,670.07 = 228,632.51/x
  3. Step 3: Cross multiply
    422,224.83x = 582,670.07 × 228,632.51
  4. Step 4: Simplify right side
    422,224.83x = 133,217,316,549.46
  5. Step 5: Solve for x
    x = 133,217,316,549.46/422,224.83
  6. Step 6: Final answer
    x = 315,512.75

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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.