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Finding the Fourth Proportional to 471,680.94, 650,931.36 and 256,832.76

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Solution

The fourth proportional to 471,680.94, 650,931.36 and 256,832.76 is: 354,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,680.94 : 650,931.36 = 256,832.76 : x
  2. Step 2: Convert to fraction form
    471,680.94/650,931.36 = 256,832.76/x
  3. Step 3: Cross multiply
    471,680.94x = 650,931.36 × 256,832.76
  4. Step 4: Simplify right side
    471,680.94x = 167,180,497,759.35
  5. Step 5: Solve for x
    x = 167,180,497,759.35/471,680.94
  6. Step 6: Final answer
    x = 354,435.56

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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.