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Finding the Fourth Proportional to 471,583.88, 650,784.67 and 256,725.44

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Solution

The fourth proportional to 471,583.88, 650,784.67 and 256,725.44 is: 354,280.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,583.88 : 650,784.67 = 256,725.44 : x
  2. Step 2: Convert to fraction form
    471,583.88/650,784.67 = 256,725.44/x
  3. Step 3: Cross multiply
    471,583.88x = 650,784.67 × 256,725.44
  4. Step 4: Simplify right side
    471,583.88x = 167,072,976,855.27
  5. Step 5: Solve for x
    x = 167,072,976,855.27/471,583.88
  6. Step 6: Final answer
    x = 354,280.51

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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.