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Finding the Fourth Proportional to 492,858.73, 680,145.78 and 266,504.23

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Solution

The fourth proportional to 492,858.73, 680,145.78 and 266,504.23 is: 367,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,858.73 : 680,145.78 = 266,504.23 : x
  2. Step 2: Convert to fraction form
    492,858.73/680,145.78 = 266,504.23/x
  3. Step 3: Cross multiply
    492,858.73x = 680,145.78 × 266,504.23
  4. Step 4: Simplify right side
    492,858.73x = 181,261,727,386.65
  5. Step 5: Solve for x
    x = 181,261,727,386.65/492,858.73
  6. Step 6: Final answer
    x = 367,776.23

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1.5x scale

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.