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Finding the Fourth Proportional to 492,964.53, 680,291.06 and 266,610.03

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Solution

The fourth proportional to 492,964.53, 680,291.06 and 266,610.03 is: 367,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,964.53 : 680,291.06 = 266,610.03 : x
  2. Step 2: Convert to fraction form
    492,964.53/680,291.06 = 266,610.03/x
  3. Step 3: Cross multiply
    492,964.53x = 680,291.06 × 266,610.03
  4. Step 4: Simplify right side
    492,964.53x = 181,372,418,582.28
  5. Step 5: Solve for x
    x = 181,372,418,582.28/492,964.53
  6. Step 6: Final answer
    x = 367,921.84

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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.