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Finding the Fourth Proportional to 456,992.16, 630,453.78 and 275,600.94

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Solution

The fourth proportional to 456,992.16, 630,453.78 and 275,600.94 is: 380,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,992.16 : 630,453.78 = 275,600.94 : x
  2. Step 2: Convert to fraction form
    456,992.16/630,453.78 = 275,600.94/x
  3. Step 3: Cross multiply
    456,992.16x = 630,453.78 × 275,600.94
  4. Step 4: Simplify right side
    456,992.16x = 173,753,654,394.55
  5. Step 5: Solve for x
    x = 173,753,654,394.55/456,992.16
  6. Step 6: Final answer
    x = 380,211.46

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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.