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Finding the Fourth Proportional to 268,516.52, 370,555.47 and 147,658.67

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Solution

The fourth proportional to 268,516.52, 370,555.47 and 147,658.67 is: 203,770.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,516.52 : 370,555.47 = 147,658.67 : x
  2. Step 2: Convert to fraction form
    268,516.52/370,555.47 = 147,658.67/x
  3. Step 3: Cross multiply
    268,516.52x = 370,555.47 × 147,658.67
  4. Step 4: Simplify right side
    268,516.52x = 54,715,726,008.65
  5. Step 5: Solve for x
    x = 54,715,726,008.65/268,516.52
  6. Step 6: Final answer
    x = 203,770.43

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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.