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Finding the Fourth Proportional to 471,415.30, 650,540.62 and 256,550.74

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Solution

The fourth proportional to 471,415.30, 650,540.62 and 256,550.74 is: 354,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,415.30 : 650,540.62 = 256,550.74 : x
  2. Step 2: Convert to fraction form
    471,415.30/650,540.62 = 256,550.74/x
  3. Step 3: Cross multiply
    471,415.30x = 650,540.62 × 256,550.74
  4. Step 4: Simplify right side
    471,415.30x = 166,896,677,461.06
  5. Step 5: Solve for x
    x = 166,896,677,461.06/471,415.30
  6. Step 6: Final answer
    x = 354,033.22

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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.