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Finding the Fourth Proportional to 467,539.83, 645,207.92 and 252,679.38

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Solution

The fourth proportional to 467,539.83, 645,207.92 and 252,679.38 is: 348,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,539.83 : 645,207.92 = 252,679.38 : x
  2. Step 2: Convert to fraction form
    467,539.83/645,207.92 = 252,679.38/x
  3. Step 3: Cross multiply
    467,539.83x = 645,207.92 × 252,679.38
  4. Step 4: Simplify right side
    467,539.83x = 163,030,735,933.29
  5. Step 5: Solve for x
    x = 163,030,735,933.29/467,539.83
  6. Step 6: Final answer
    x = 348,699.14

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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.