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Finding the Fourth Proportional to 328,894.27, 493,341.42 and 79,576.27

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Solution

The fourth proportional to 328,894.27, 493,341.42 and 79,576.27 is: 119,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,894.27 : 493,341.42 = 79,576.27 : x
  2. Step 2: Convert to fraction form
    328,894.27/493,341.42 = 79,576.27/x
  3. Step 3: Cross multiply
    328,894.27x = 493,341.42 × 79,576.27
  4. Step 4: Simplify right side
    328,894.27x = 39,258,268,806.75
  5. Step 5: Solve for x
    x = 39,258,268,806.75/328,894.27
  6. Step 6: Final answer
    x = 119,364.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.