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Finding the Fourth Proportional to 455,404.56, 628,455.88 and 264,464.88

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Solution

The fourth proportional to 455,404.56, 628,455.88 and 264,464.88 is: 364,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,404.56 : 628,455.88 = 264,464.88 : x
  2. Step 2: Convert to fraction form
    455,404.56/628,455.88 = 264,464.88/x
  3. Step 3: Cross multiply
    455,404.56x = 628,455.88 × 264,464.88
  4. Step 4: Simplify right side
    455,404.56x = 166,204,508,889.49
  5. Step 5: Solve for x
    x = 166,204,508,889.49/455,404.56
  6. Step 6: Final answer
    x = 364,960.13

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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.