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Finding the Fourth Proportional to 222,365.30, 311,933.50 and 222,365.30

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Solution

The fourth proportional to 222,365.30, 311,933.50 and 222,365.30 is: 311,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,365.30 : 311,933.50 = 222,365.30 : x
  2. Step 2: Convert to fraction form
    222,365.30/311,933.50 = 222,365.30/x
  3. Step 3: Cross multiply
    222,365.30x = 311,933.50 × 222,365.30
  4. Step 4: Simplify right side
    222,365.30x = 69,363,186,307.55
  5. Step 5: Solve for x
    x = 69,363,186,307.55/222,365.30
  6. Step 6: Final answer
    x = 311,933.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.