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Finding the Fourth Proportional to 492,892.66, 680,191.90 and 266,538.16

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Solution

The fourth proportional to 492,892.66, 680,191.90 and 266,538.16 is: 367,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,892.66 : 680,191.90 = 266,538.16 : x
  2. Step 2: Convert to fraction form
    492,892.66/680,191.90 = 266,538.16/x
  3. Step 3: Cross multiply
    492,892.66x = 680,191.90 × 266,538.16
  4. Step 4: Simplify right side
    492,892.66x = 181,297,097,472.90
  5. Step 5: Solve for x
    x = 181,297,097,472.90/492,892.66
  6. Step 6: Final answer
    x = 367,822.68

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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.