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Finding the Fourth Proportional to 493,405.84, 680,898.90 and 267,051.52

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Solution

The fourth proportional to 493,405.84, 680,898.90 and 267,051.52 is: 368,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,405.84 : 680,898.90 = 267,051.52 : x
  2. Step 2: Convert to fraction form
    493,405.84/680,898.90 = 267,051.52/x
  3. Step 3: Cross multiply
    493,405.84x = 680,898.90 × 267,051.52
  4. Step 4: Simplify right side
    493,405.84x = 181,835,086,211.33
  5. Step 5: Solve for x
    x = 181,835,086,211.33/493,405.84
  6. Step 6: Final answer
    x = 368,530.47

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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.