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Finding the Fourth Proportional to 492,859.66, 680,145.86 and 266,504.62

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Solution

The fourth proportional to 492,859.66, 680,145.86 and 266,504.62 is: 367,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,859.66 : 680,145.86 = 266,504.62 : x
  2. Step 2: Convert to fraction form
    492,859.66/680,145.86 = 266,504.62/x
  3. Step 3: Cross multiply
    492,859.66x = 680,145.86 × 266,504.62
  4. Step 4: Simplify right side
    492,859.66x = 181,262,013,963.87
  5. Step 5: Solve for x
    x = 181,262,013,963.87/492,859.66
  6. Step 6: Final answer
    x = 367,776.12

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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.