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Finding the Fourth Proportional to 222,459.30, 333,360.90 and 188,998.20

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Solution

The fourth proportional to 222,459.30, 333,360.90 and 188,998.20 is: 283,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,459.30 : 333,360.90 = 188,998.20 : x
  2. Step 2: Convert to fraction form
    222,459.30/333,360.90 = 188,998.20/x
  3. Step 3: Cross multiply
    222,459.30x = 333,360.90 × 188,998.20
  4. Step 4: Simplify right side
    222,459.30x = 63,004,610,050.38
  5. Step 5: Solve for x
    x = 63,004,610,050.38/222,459.30
  6. Step 6: Final answer
    x = 283,218.59

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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.