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Finding the Fourth Proportional to 492,956.77, 680,280.79 and 266,602.27

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Solution

The fourth proportional to 492,956.77, 680,280.79 and 266,602.27 is: 367,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,956.77 : 680,280.79 = 266,602.27 : x
  2. Step 2: Convert to fraction form
    492,956.77/680,280.79 = 266,602.27/x
  3. Step 3: Cross multiply
    492,956.77x = 680,280.79 × 266,602.27
  4. Step 4: Simplify right side
    492,956.77x = 181,364,399,449.99
  5. Step 5: Solve for x
    x = 181,364,399,449.99/492,956.77
  6. Step 6: Final answer
    x = 367,911.37

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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.