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Finding the Fourth Proportional to 329,221.87, 493,451.60 and 151,355.59

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Solution

The fourth proportional to 329,221.87, 493,451.60 and 151,355.59 is: 226,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,221.87 : 493,451.60 = 151,355.59 : x
  2. Step 2: Convert to fraction form
    329,221.87/493,451.60 = 151,355.59/x
  3. Step 3: Cross multiply
    329,221.87x = 493,451.60 × 151,355.59
  4. Step 4: Simplify right side
    329,221.87x = 74,686,656,064.04
  5. Step 5: Solve for x
    x = 74,686,656,064.04/329,221.87
  6. Step 6: Final answer
    x = 226,858.13

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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.