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Finding the Fourth Proportional to 304,419.70, 456,629.55 and 164,451.70

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Solution

The fourth proportional to 304,419.70, 456,629.55 and 164,451.70 is: 246,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,419.70 : 456,629.55 = 164,451.70 : x
  2. Step 2: Convert to fraction form
    304,419.70/456,629.55 = 164,451.70/x
  3. Step 3: Cross multiply
    304,419.70x = 456,629.55 × 164,451.70
  4. Step 4: Simplify right side
    304,419.70x = 75,093,505,767.74
  5. Step 5: Solve for x
    x = 75,093,505,767.74/304,419.70
  6. Step 6: Final answer
    x = 246,677.55

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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.