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Finding the Fourth Proportional to 471,682.53, 650,915.37 and 256,822.61

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Solution

The fourth proportional to 471,682.53, 650,915.37 and 256,822.61 is: 354,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,682.53 : 650,915.37 = 256,822.61 : x
  2. Step 2: Convert to fraction form
    471,682.53/650,915.37 = 256,822.61/x
  3. Step 3: Cross multiply
    471,682.53x = 650,915.37 × 256,822.61
  4. Step 4: Simplify right side
    471,682.53x = 167,169,780,957.94
  5. Step 5: Solve for x
    x = 167,169,780,957.94/471,682.53
  6. Step 6: Final answer
    x = 354,411.64

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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.