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Finding the Fourth Proportional to 268,374.86, 370,349.79 and 147,516.38

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Solution

The fourth proportional to 268,374.86, 370,349.79 and 147,516.38 is: 203,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,374.86 : 370,349.79 = 147,516.38 : x
  2. Step 2: Convert to fraction form
    268,374.86/370,349.79 = 147,516.38/x
  3. Step 3: Cross multiply
    268,374.86x = 370,349.79 × 147,516.38
  4. Step 4: Simplify right side
    268,374.86x = 54,632,660,354.56
  5. Step 5: Solve for x
    x = 54,632,660,354.56/268,374.86
  6. Step 6: Final answer
    x = 203,568.47

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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.