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Finding the Fourth Proportional to 492,968.30, 680,296.22 and 266,613.80

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Solution

The fourth proportional to 492,968.30, 680,296.22 and 266,613.80 is: 367,927.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,968.30 : 680,296.22 = 266,613.80 : x
  2. Step 2: Convert to fraction form
    492,968.30/680,296.22 = 266,613.80/x
  3. Step 3: Cross multiply
    492,968.30x = 680,296.22 × 266,613.80
  4. Step 4: Simplify right side
    492,968.30x = 181,376,360,339.84
  5. Step 5: Solve for x
    x = 181,376,360,339.84/492,968.30
  6. Step 6: Final answer
    x = 367,927.03

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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.