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Finding the Fourth Proportional to 493,282.17, 680,731.20 and 266,927.67

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Solution

The fourth proportional to 493,282.17, 680,731.20 and 266,927.67 is: 368,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,282.17 : 680,731.20 = 266,927.67 : x
  2. Step 2: Convert to fraction form
    493,282.17/680,731.20 = 266,927.67/x
  3. Step 3: Cross multiply
    493,282.17x = 680,731.20 × 266,927.67
  4. Step 4: Simplify right side
    493,282.17x = 181,705,993,112.30
  5. Step 5: Solve for x
    x = 181,705,993,112.30/493,282.17
  6. Step 6: Final answer
    x = 368,361.16

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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.