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Finding the Fourth Proportional to 492,856.58, 680,142.83 and 266,502.08

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Solution

The fourth proportional to 492,856.58, 680,142.83 and 266,502.08 is: 367,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,856.58 : 680,142.83 = 266,502.08 : x
  2. Step 2: Convert to fraction form
    492,856.58/680,142.83 = 266,502.08/x
  3. Step 3: Cross multiply
    492,856.58x = 680,142.83 × 266,502.08
  4. Step 4: Simplify right side
    492,856.58x = 181,259,479,259.93
  5. Step 5: Solve for x
    x = 181,259,479,259.93/492,856.58
  6. Step 6: Final answer
    x = 367,773.27

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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.