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Finding the Fourth Proportional to 456,951.82, 630,613.21 and 253,002.73

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Solution

The fourth proportional to 456,951.82, 630,613.21 and 253,002.73 is: 349,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,951.82 : 630,613.21 = 253,002.73 : x
  2. Step 2: Convert to fraction form
    456,951.82/630,613.21 = 253,002.73/x
  3. Step 3: Cross multiply
    456,951.82x = 630,613.21 × 253,002.73
  4. Step 4: Simplify right side
    456,951.82x = 159,546,862,620.79
  5. Step 5: Solve for x
    x = 159,546,862,620.79/456,951.82
  6. Step 6: Final answer
    x = 349,154.67

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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.