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Finding the Fourth Proportional to 327,478.98, 451,888.81 and 184,235.94

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Solution

The fourth proportional to 327,478.98, 451,888.81 and 184,235.94 is: 254,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,478.98 : 451,888.81 = 184,235.94 : x
  2. Step 2: Convert to fraction form
    327,478.98/451,888.81 = 184,235.94/x
  3. Step 3: Cross multiply
    327,478.98x = 451,888.81 × 184,235.94
  4. Step 4: Simplify right side
    327,478.98x = 83,254,159,685.83
  5. Step 5: Solve for x
    x = 83,254,159,685.83/327,478.98
  6. Step 6: Final answer
    x = 254,227.49

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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.