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Finding the Fourth Proportional to 401,366.84, 553,887.02 and 222,518.84

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Solution

The fourth proportional to 401,366.84, 553,887.02 and 222,518.84 is: 307,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,366.84 : 553,887.02 = 222,518.84 : x
  2. Step 2: Convert to fraction form
    401,366.84/553,887.02 = 222,518.84/x
  3. Step 3: Cross multiply
    401,366.84x = 553,887.02 × 222,518.84
  4. Step 4: Simplify right side
    401,366.84x = 123,250,297,181.46
  5. Step 5: Solve for x
    x = 123,250,297,181.46/401,366.84
  6. Step 6: Final answer
    x = 307,076.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.