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Finding the Fourth Proportional to 222,893.20, 312,465.20 and 222,893.20

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Solution

The fourth proportional to 222,893.20, 312,465.20 and 222,893.20 is: 312,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,893.20 : 312,465.20 = 222,893.20 : x
  2. Step 2: Convert to fraction form
    222,893.20/312,465.20 = 222,893.20/x
  3. Step 3: Cross multiply
    222,893.20x = 312,465.20 × 222,893.20
  4. Step 4: Simplify right side
    222,893.20x = 69,646,368,316.64
  5. Step 5: Solve for x
    x = 69,646,368,316.64/222,893.20
  6. Step 6: Final answer
    x = 312,465.20

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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.