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Finding the Fourth Proportional to 455,250.48, 628,458.24 and 264,226.96

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Solution

The fourth proportional to 455,250.48, 628,458.24 and 264,226.96 is: 364,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,250.48 : 628,458.24 = 264,226.96 : x
  2. Step 2: Convert to fraction form
    455,250.48/628,458.24 = 264,226.96/x
  3. Step 3: Cross multiply
    455,250.48x = 628,458.24 × 264,226.96
  4. Step 4: Simplify right side
    455,250.48x = 166,055,610,242.15
  5. Step 5: Solve for x
    x = 166,055,610,242.15/455,250.48
  6. Step 6: Final answer
    x = 364,756.58

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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.