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Finding the Fourth Proportional to 367,814.50, 548,503.01 and 364,451.32

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Solution

The fourth proportional to 367,814.50, 548,503.01 and 364,451.32 is: 543,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,814.50 : 548,503.01 = 364,451.32 : x
  2. Step 2: Convert to fraction form
    367,814.50/548,503.01 = 364,451.32/x
  3. Step 3: Cross multiply
    367,814.50x = 548,503.01 × 364,451.32
  4. Step 4: Simplify right side
    367,814.50x = 199,902,646,018.47
  5. Step 5: Solve for x
    x = 199,902,646,018.47/367,814.50
  6. Step 6: Final answer
    x = 543,487.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.