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Finding the Fourth Proportional to 327,312.32, 451,686.72 and 184,072.32

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Solution

The fourth proportional to 327,312.32, 451,686.72 and 184,072.32 is: 254,017.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,312.32 : 451,686.72 = 184,072.32 : x
  2. Step 2: Convert to fraction form
    327,312.32/451,686.72 = 184,072.32/x
  3. Step 3: Cross multiply
    327,312.32x = 451,686.72 × 184,072.32
  4. Step 4: Simplify right side
    327,312.32x = 83,143,022,463.59
  5. Step 5: Solve for x
    x = 83,143,022,463.59/327,312.32
  6. Step 6: Final answer
    x = 254,017.39

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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.