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Finding the Fourth Proportional to 265,878.27, 366,903 and 158,392.62

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Solution

The fourth proportional to 265,878.27, 366,903 and 158,392.62 is: 218,576.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,878.27 : 366,903 = 158,392.62 : x
  2. Step 2: Convert to fraction form
    265,878.27/366,903 = 158,392.62/x
  3. Step 3: Cross multiply
    265,878.27x = 366,903 × 158,392.62
  4. Step 4: Simplify right side
    265,878.27x = 58,114,727,455.86
  5. Step 5: Solve for x
    x = 58,114,727,455.86/265,878.27
  6. Step 6: Final answer
    x = 218,576.45

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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.