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Finding the Fourth Proportional to 456,819.13, 630,477.91 and 263,189.94

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Solution

The fourth proportional to 456,819.13, 630,477.91 and 263,189.94 is: 363,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,819.13 : 630,477.91 = 263,189.94 : x
  2. Step 2: Convert to fraction form
    456,819.13/630,477.91 = 263,189.94/x
  3. Step 3: Cross multiply
    456,819.13x = 630,477.91 × 263,189.94
  4. Step 4: Simplify right side
    456,819.13x = 165,935,443,304.23
  5. Step 5: Solve for x
    x = 165,935,443,304.23/456,819.13
  6. Step 6: Final answer
    x = 363,241.01

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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.