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Finding the Fourth Proportional to 308,684.79, 463,045.11 and 119,146.23

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Solution

The fourth proportional to 308,684.79, 463,045.11 and 119,146.23 is: 178,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,684.79 : 463,045.11 = 119,146.23 : x
  2. Step 2: Convert to fraction form
    308,684.79/463,045.11 = 119,146.23/x
  3. Step 3: Cross multiply
    308,684.79x = 463,045.11 × 119,146.23
  4. Step 4: Simplify right side
    308,684.79x = 55,170,079,176.44
  5. Step 5: Solve for x
    x = 55,170,079,176.44/308,684.79
  6. Step 6: Final answer
    x = 178,726.26

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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.