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Finding the Fourth Proportional to 455,494.82, 683,656.74 and 242,441.54

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Solution

The fourth proportional to 455,494.82, 683,656.74 and 242,441.54 is: 363,882.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,494.82 : 683,656.74 = 242,441.54 : x
  2. Step 2: Convert to fraction form
    455,494.82/683,656.74 = 242,441.54/x
  3. Step 3: Cross multiply
    455,494.82x = 683,656.74 × 242,441.54
  4. Step 4: Simplify right side
    455,494.82x = 165,746,789,458.70
  5. Step 5: Solve for x
    x = 165,746,789,458.70/455,494.82
  6. Step 6: Final answer
    x = 363,882.93

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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.