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Finding the Fourth Proportional to 367,999.30, 551,998.95 and 367,999.30

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Solution

The fourth proportional to 367,999.30, 551,998.95 and 367,999.30 is: 551,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,999.30 : 551,998.95 = 367,999.30 : x
  2. Step 2: Convert to fraction form
    367,999.30/551,998.95 = 367,999.30/x
  3. Step 3: Cross multiply
    367,999.30x = 551,998.95 × 367,999.30
  4. Step 4: Simplify right side
    367,999.30x = 203,135,227,200.74
  5. Step 5: Solve for x
    x = 203,135,227,200.74/367,999.30
  6. Step 6: Final answer
    x = 551,998.95

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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.