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Finding the Fourth Proportional to 457,028.01, 630,694.26 and 263,364.57

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Solution

The fourth proportional to 457,028.01, 630,694.26 and 263,364.57 is: 363,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,028.01 : 630,694.26 = 263,364.57 : x
  2. Step 2: Convert to fraction form
    457,028.01/630,694.26 = 263,364.57/x
  3. Step 3: Cross multiply
    457,028.01x = 630,694.26 × 263,364.57
  4. Step 4: Simplify right side
    457,028.01x = 166,102,522,586.37
  5. Step 5: Solve for x
    x = 166,102,522,586.37/457,028.01
  6. Step 6: Final answer
    x = 363,440.57

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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.