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Finding the Fourth Proportional to 493,283.17, 680,732.58 and 266,928.67

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Solution

The fourth proportional to 493,283.17, 680,732.58 and 266,928.67 is: 368,362.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,283.17 : 680,732.58 = 266,928.67 : x
  2. Step 2: Convert to fraction form
    493,283.17/680,732.58 = 266,928.67/x
  3. Step 3: Cross multiply
    493,283.17x = 680,732.58 × 266,928.67
  4. Step 4: Simplify right side
    493,283.17x = 181,707,042,205.07
  5. Step 5: Solve for x
    x = 181,707,042,205.07/493,283.17
  6. Step 6: Final answer
    x = 368,362.54

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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.