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Finding the Fourth Proportional to 456,791.57, 630,227.42 and 265,768.05

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Solution

The fourth proportional to 456,791.57, 630,227.42 and 265,768.05 is: 366,675.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,791.57 : 630,227.42 = 265,768.05 : x
  2. Step 2: Convert to fraction form
    456,791.57/630,227.42 = 265,768.05/x
  3. Step 3: Cross multiply
    456,791.57x = 630,227.42 × 265,768.05
  4. Step 4: Simplify right side
    456,791.57x = 167,494,311,141.09
  5. Step 5: Solve for x
    x = 167,494,311,141.09/456,791.57
  6. Step 6: Final answer
    x = 366,675.58

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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.