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Finding the Fourth Proportional to 311,025.64, 466,612.51 and 100,663.58

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Solution

The fourth proportional to 311,025.64, 466,612.51 and 100,663.58 is: 151,019.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,025.64 : 466,612.51 = 100,663.58 : x
  2. Step 2: Convert to fraction form
    311,025.64/466,612.51 = 100,663.58/x
  3. Step 3: Cross multiply
    311,025.64x = 466,612.51 × 100,663.58
  4. Step 4: Simplify right side
    311,025.64x = 46,970,885,729.39
  5. Step 5: Solve for x
    x = 46,970,885,729.39/311,025.64
  6. Step 6: Final answer
    x = 151,019.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.