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Finding the Fourth Proportional to 311,597.05, 467,458.45 and 98,398.27

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Solution

The fourth proportional to 311,597.05, 467,458.45 and 98,398.27 is: 147,617.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,597.05 : 467,458.45 = 98,398.27 : x
  2. Step 2: Convert to fraction form
    311,597.05/467,458.45 = 98,398.27/x
  3. Step 3: Cross multiply
    311,597.05x = 467,458.45 × 98,398.27
  4. Step 4: Simplify right side
    311,597.05x = 45,997,100,193.59
  5. Step 5: Solve for x
    x = 45,997,100,193.59/311,597.05
  6. Step 6: Final answer
    x = 147,617.25

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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.