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Finding the Fourth Proportional to 367,066.70, 550,600.05 and 209,602.70

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Solution

The fourth proportional to 367,066.70, 550,600.05 and 209,602.70 is: 314,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,066.70 : 550,600.05 = 209,602.70 : x
  2. Step 2: Convert to fraction form
    367,066.70/550,600.05 = 209,602.70/x
  3. Step 3: Cross multiply
    367,066.70x = 550,600.05 × 209,602.70
  4. Step 4: Simplify right side
    367,066.70x = 115,407,257,100.14
  5. Step 5: Solve for x
    x = 115,407,257,100.14/367,066.70
  6. Step 6: Final answer
    x = 314,404.05

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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.