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Finding the Fourth Proportional to 311,669.60, 467,208.46 and 101,160.32

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Solution

The fourth proportional to 311,669.60, 467,208.46 and 101,160.32 is: 151,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,669.60 : 467,208.46 = 101,160.32 : x
  2. Step 2: Convert to fraction form
    311,669.60/467,208.46 = 101,160.32/x
  3. Step 3: Cross multiply
    311,669.60x = 467,208.46 × 101,160.32
  4. Step 4: Simplify right side
    311,669.60x = 47,262,957,320.31
  5. Step 5: Solve for x
    x = 47,262,957,320.31/311,669.60
  6. Step 6: Final answer
    x = 151,644.43

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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.