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Finding the Fourth Proportional to 455,483.17, 682,767.50 and 155,758.67

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Solution

The fourth proportional to 455,483.17, 682,767.50 and 155,758.67 is: 233,481.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,483.17 : 682,767.50 = 155,758.67 : x
  2. Step 2: Convert to fraction form
    455,483.17/682,767.50 = 155,758.67/x
  3. Step 3: Cross multiply
    455,483.17x = 682,767.50 × 155,758.67
  4. Step 4: Simplify right side
    455,483.17x = 106,346,956,940.43
  5. Step 5: Solve for x
    x = 106,346,956,940.43/455,483.17
  6. Step 6: Final answer
    x = 233,481.64

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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.