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Finding the Fourth Proportional to 304,202.80, 455,429.40 and 186,104.80

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Solution

The fourth proportional to 304,202.80, 455,429.40 and 186,104.80 is: 278,622.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,202.80 : 455,429.40 = 186,104.80 : x
  2. Step 2: Convert to fraction form
    304,202.80/455,429.40 = 186,104.80/x
  3. Step 3: Cross multiply
    304,202.80x = 455,429.40 × 186,104.80
  4. Step 4: Simplify right side
    304,202.80x = 84,757,597,401.12
  5. Step 5: Solve for x
    x = 84,757,597,401.12/304,202.80
  6. Step 6: Final answer
    x = 278,622.02

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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.