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Finding the Fourth Proportional to 367,808.85, 551,728.56 and 115,094.22

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Solution

The fourth proportional to 367,808.85, 551,728.56 and 115,094.22 is: 172,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,808.85 : 551,728.56 = 115,094.22 : x
  2. Step 2: Convert to fraction form
    367,808.85/551,728.56 = 115,094.22/x
  3. Step 3: Cross multiply
    367,808.85x = 551,728.56 × 115,094.22
  4. Step 4: Simplify right side
    367,808.85x = 63,500,766,627.54
  5. Step 5: Solve for x
    x = 63,500,766,627.54/367,808.85
  6. Step 6: Final answer
    x = 172,646.11

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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.