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Finding the Fourth Proportional to 455,404.56, 683,523.59 and 230,919.95

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Solution

The fourth proportional to 455,404.56, 683,523.59 and 230,919.95 is: 346,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,404.56 : 683,523.59 = 230,919.95 : x
  2. Step 2: Convert to fraction form
    455,404.56/683,523.59 = 230,919.95/x
  3. Step 3: Cross multiply
    455,404.56x = 683,523.59 × 230,919.95
  4. Step 4: Simplify right side
    455,404.56x = 157,839,228,654.40
  5. Step 5: Solve for x
    x = 157,839,228,654.40/455,404.56
  6. Step 6: Final answer
    x = 346,591.23

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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.