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Finding the Fourth Proportional to 365,801.48, 504,885 and 222,607.66

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Solution

The fourth proportional to 365,801.48, 504,885 and 222,607.66 is: 307,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,801.48 : 504,885 = 222,607.66 : x
  2. Step 2: Convert to fraction form
    365,801.48/504,885 = 222,607.66/x
  3. Step 3: Cross multiply
    365,801.48x = 504,885 × 222,607.66
  4. Step 4: Simplify right side
    365,801.48x = 112,391,268,419.10
  5. Step 5: Solve for x
    x = 112,391,268,419.10/365,801.48
  6. Step 6: Final answer
    x = 307,246.62

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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.