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Finding the Fourth Proportional to 456,753.07, 630,348.49 and 263,157.26

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Solution

The fourth proportional to 456,753.07, 630,348.49 and 263,157.26 is: 363,173.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,753.07 : 630,348.49 = 263,157.26 : x
  2. Step 2: Convert to fraction form
    456,753.07/630,348.49 = 263,157.26/x
  3. Step 3: Cross multiply
    456,753.07x = 630,348.49 × 263,157.26
  4. Step 4: Simplify right side
    456,753.07x = 165,880,778,321.80
  5. Step 5: Solve for x
    x = 165,880,778,321.80/456,753.07
  6. Step 6: Final answer
    x = 363,173.87

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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.