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Finding the Fourth Proportional to 326,670.10, 490,019.55 and 184,513.30

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Solution

The fourth proportional to 326,670.10, 490,019.55 and 184,513.30 is: 276,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,670.10 : 490,019.55 = 184,513.30 : x
  2. Step 2: Convert to fraction form
    326,670.10/490,019.55 = 184,513.30/x
  3. Step 3: Cross multiply
    326,670.10x = 490,019.55 × 184,513.30
  4. Step 4: Simplify right side
    326,670.10x = 90,415,124,235.02
  5. Step 5: Solve for x
    x = 90,415,124,235.02/326,670.10
  6. Step 6: Final answer
    x = 276,778.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.