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Finding the Fourth Proportional to 298,010.12, 411,268.92 and 184,869.32

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Solution

The fourth proportional to 298,010.12, 411,268.92 and 184,869.32 is: 255,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,010.12 : 411,268.92 = 184,869.32 : x
  2. Step 2: Convert to fraction form
    298,010.12/411,268.92 = 184,869.32/x
  3. Step 3: Cross multiply
    298,010.12x = 411,268.92 × 184,869.32
  4. Step 4: Simplify right side
    298,010.12x = 76,031,005,577.53
  5. Step 5: Solve for x
    x = 76,031,005,577.53/298,010.12
  6. Step 6: Final answer
    x = 255,128.94

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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.