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Finding the Fourth Proportional to 565,796.12, 780,577.66 and 323,949.44

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Solution

The fourth proportional to 565,796.12, 780,577.66 and 323,949.44 is: 446,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,796.12 : 780,577.66 = 323,949.44 : x
  2. Step 2: Convert to fraction form
    565,796.12/780,577.66 = 323,949.44/x
  3. Step 3: Cross multiply
    565,796.12x = 780,577.66 × 323,949.44
  4. Step 4: Simplify right side
    565,796.12x = 252,867,695,833.51
  5. Step 5: Solve for x
    x = 252,867,695,833.51/565,796.12
  6. Step 6: Final answer
    x = 446,923.70

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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.