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Finding the Fourth Proportional to 471,366.64, 650,499.54 and 256,520.32

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Solution

The fourth proportional to 471,366.64, 650,499.54 and 256,520.32 is: 354,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,366.64 : 650,499.54 = 256,520.32 : x
  2. Step 2: Convert to fraction form
    471,366.64/650,499.54 = 256,520.32/x
  3. Step 3: Cross multiply
    471,366.64x = 650,499.54 × 256,520.32
  4. Step 4: Simplify right side
    471,366.64x = 166,866,350,160.65
  5. Step 5: Solve for x
    x = 166,866,350,160.65/471,366.64
  6. Step 6: Final answer
    x = 354,005.43

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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.