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Finding the Fourth Proportional to 304,519.14, 420,223.17 and 168,544.98

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Solution

The fourth proportional to 304,519.14, 420,223.17 and 168,544.98 is: 232,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,519.14 : 420,223.17 = 168,544.98 : x
  2. Step 2: Convert to fraction form
    304,519.14/420,223.17 = 168,544.98/x
  3. Step 3: Cross multiply
    304,519.14x = 420,223.17 × 168,544.98
  4. Step 4: Simplify right side
    304,519.14x = 70,826,505,783.19
  5. Step 5: Solve for x
    x = 70,826,505,783.19/304,519.14
  6. Step 6: Final answer
    x = 232,584.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.