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Finding the Fourth Proportional to 422,596.17, 633,894.26 and 256,034.25

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Solution

The fourth proportional to 422,596.17, 633,894.26 and 256,034.25 is: 384,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,596.17 : 633,894.26 = 256,034.25 : x
  2. Step 2: Convert to fraction form
    422,596.17/633,894.26 = 256,034.25/x
  3. Step 3: Cross multiply
    422,596.17x = 633,894.26 × 256,034.25
  4. Step 4: Simplify right side
    422,596.17x = 162,298,640,158.23
  5. Step 5: Solve for x
    x = 162,298,640,158.23/422,596.17
  6. Step 6: Final answer
    x = 384,051.38

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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.