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Finding the Fourth Proportional to 322,724.16, 445,392 and 184,921.34

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Solution

The fourth proportional to 322,724.16, 445,392 and 184,921.34 is: 255,210.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,724.16 : 445,392 = 184,921.34 : x
  2. Step 2: Convert to fraction form
    322,724.16/445,392 = 184,921.34/x
  3. Step 3: Cross multiply
    322,724.16x = 445,392 × 184,921.34
  4. Step 4: Simplify right side
    322,724.16x = 82,362,483,238.32
  5. Step 5: Solve for x
    x = 82,362,483,238.32/322,724.16
  6. Step 6: Final answer
    x = 255,210.16

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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.