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Finding the Fourth Proportional to 367,995.63, 551,993.45 and 118,677.63

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Solution

The fourth proportional to 367,995.63, 551,993.45 and 118,677.63 is: 178,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,995.63 : 551,993.45 = 118,677.63 : x
  2. Step 2: Convert to fraction form
    367,995.63/551,993.45 = 118,677.63/x
  3. Step 3: Cross multiply
    367,995.63x = 551,993.45 × 118,677.63
  4. Step 4: Simplify right side
    367,995.63x = 65,509,274,421.52
  5. Step 5: Solve for x
    x = 65,509,274,421.52/367,995.63
  6. Step 6: Final answer
    x = 178,016.45

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Double scale
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Similar ratio
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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.