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Finding the Fourth Proportional to 471,340.20, 650,450.88 and 256,480.32

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Solution

The fourth proportional to 471,340.20, 650,450.88 and 256,480.32 is: 353,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,340.20 : 650,450.88 = 256,480.32 : x
  2. Step 2: Convert to fraction form
    471,340.20/650,450.88 = 256,480.32/x
  3. Step 3: Cross multiply
    471,340.20x = 650,450.88 × 256,480.32
  4. Step 4: Simplify right side
    471,340.20x = 166,827,849,846.68
  5. Step 5: Solve for x
    x = 166,827,849,846.68/471,340.20
  6. Step 6: Final answer
    x = 353,943.61

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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.