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Finding the Fourth Proportional to 492,968.38, 680,296.36 and 266,613.88

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Solution

The fourth proportional to 492,968.38, 680,296.36 and 266,613.88 is: 367,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,968.38 : 680,296.36 = 266,613.88 : x
  2. Step 2: Convert to fraction form
    492,968.38/680,296.36 = 266,613.88/x
  3. Step 3: Cross multiply
    492,968.38x = 680,296.36 × 266,613.88
  4. Step 4: Simplify right side
    492,968.38x = 181,376,448,688.00
  5. Step 5: Solve for x
    x = 181,376,448,688.00/492,968.38
  6. Step 6: Final answer
    x = 367,927.15

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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.