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Finding the Fourth Proportional to 471,681.63, 650,912.22 and 256,817.79

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Solution

The fourth proportional to 471,681.63, 650,912.22 and 256,817.79 is: 354,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,681.63 : 650,912.22 = 256,817.79 : x
  2. Step 2: Convert to fraction form
    471,681.63/650,912.22 = 256,817.79/x
  3. Step 3: Cross multiply
    471,681.63x = 650,912.22 × 256,817.79
  4. Step 4: Simplify right side
    471,681.63x = 167,165,837,824.39
  5. Step 5: Solve for x
    x = 167,165,837,824.39/471,681.63
  6. Step 6: Final answer
    x = 354,403.96

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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.