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Finding the Fourth Proportional to 366,430.77, 505,704.06 and 205,321.77

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Solution

The fourth proportional to 366,430.77, 505,704.06 and 205,321.77 is: 283,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,430.77 : 505,704.06 = 205,321.77 : x
  2. Step 2: Convert to fraction form
    366,430.77/505,704.06 = 205,321.77/x
  3. Step 3: Cross multiply
    366,430.77x = 505,704.06 × 205,321.77
  4. Step 4: Simplify right side
    366,430.77x = 103,832,052,695.39
  5. Step 5: Solve for x
    x = 103,832,052,695.39/366,430.77
  6. Step 6: Final answer
    x = 283,360.63

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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.