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Finding the Fourth Proportional to 471,039.32, 650,027.88 and 256,174.76

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Solution

The fourth proportional to 471,039.32, 650,027.88 and 256,174.76 is: 353,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,039.32 : 650,027.88 = 256,174.76 : x
  2. Step 2: Convert to fraction form
    471,039.32/650,027.88 = 256,174.76/x
  3. Step 3: Cross multiply
    471,039.32x = 650,027.88 × 256,174.76
  4. Step 4: Simplify right side
    471,039.32x = 166,520,736,152.31
  5. Step 5: Solve for x
    x = 166,520,736,152.31/471,039.32
  6. Step 6: Final answer
    x = 353,517.70

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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.