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Finding the Fourth Proportional to 311,458.59, 467,253.63 and 101,080.26

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Solution

The fourth proportional to 311,458.59, 467,253.63 and 101,080.26 is: 151,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,458.59 : 467,253.63 = 101,080.26 : x
  2. Step 2: Convert to fraction form
    311,458.59/467,253.63 = 101,080.26/x
  3. Step 3: Cross multiply
    311,458.59x = 467,253.63 × 101,080.26
  4. Step 4: Simplify right side
    311,458.59x = 47,230,118,406.34
  5. Step 5: Solve for x
    x = 47,230,118,406.34/311,458.59
  6. Step 6: Final answer
    x = 151,641.73

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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.