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Finding the Fourth Proportional to 366,622.56, 505,938.45 and 205,477.56

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Solution

The fourth proportional to 366,622.56, 505,938.45 and 205,477.56 is: 283,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,622.56 : 505,938.45 = 205,477.56 : x
  2. Step 2: Convert to fraction form
    366,622.56/505,938.45 = 205,477.56/x
  3. Step 3: Cross multiply
    366,622.56x = 505,938.45 × 205,477.56
  4. Step 4: Simplify right side
    366,622.56x = 103,958,998,216.18
  5. Step 5: Solve for x
    x = 103,958,998,216.18/366,622.56
  6. Step 6: Final answer
    x = 283,558.65

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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.