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Finding the Fourth Proportional to 492,790.41, 680,051.73 and 266,435.91

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Solution

The fourth proportional to 492,790.41, 680,051.73 and 266,435.91 is: 367,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,790.41 : 680,051.73 = 266,435.91 : x
  2. Step 2: Convert to fraction form
    492,790.41/680,051.73 = 266,435.91/x
  3. Step 3: Cross multiply
    492,790.41x = 680,051.73 × 266,435.91
  4. Step 4: Simplify right side
    492,790.41x = 181,190,201,529.62
  5. Step 5: Solve for x
    x = 181,190,201,529.62/492,790.41
  6. Step 6: Final answer
    x = 367,682.08

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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.