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Finding the Fourth Proportional to 492,965.46, 680,292.34 and 266,610.96

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Solution

The fourth proportional to 492,965.46, 680,292.34 and 266,610.96 is: 367,923.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,965.46 : 680,292.34 = 266,610.96 : x
  2. Step 2: Convert to fraction form
    492,965.46/680,292.34 = 266,610.96/x
  3. Step 3: Cross multiply
    492,965.46x = 680,292.34 × 266,610.96
  4. Step 4: Simplify right side
    492,965.46x = 181,373,393,848.05
  5. Step 5: Solve for x
    x = 181,373,393,848.05/492,965.46
  6. Step 6: Final answer
    x = 367,923.13

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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.