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Finding the Fourth Proportional to 238,275.58, 328,822.58 and 130,847.86

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Solution

The fourth proportional to 238,275.58, 328,822.58 and 130,847.86 is: 180,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,275.58 : 328,822.58 = 130,847.86 : x
  2. Step 2: Convert to fraction form
    238,275.58/328,822.58 = 130,847.86/x
  3. Step 3: Cross multiply
    238,275.58x = 328,822.58 × 130,847.86
  4. Step 4: Simplify right side
    238,275.58x = 43,025,730,912.68
  5. Step 5: Solve for x
    x = 43,025,730,912.68/238,275.58
  6. Step 6: Final answer
    x = 180,571.30

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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.