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Finding the Fourth Proportional to 219,803.60, 329,705.40 and 184,374.20

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Solution

The fourth proportional to 219,803.60, 329,705.40 and 184,374.20 is: 276,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,803.60 : 329,705.40 = 184,374.20 : x
  2. Step 2: Convert to fraction form
    219,803.60/329,705.40 = 184,374.20/x
  3. Step 3: Cross multiply
    219,803.60x = 329,705.40 × 184,374.20
  4. Step 4: Simplify right side
    219,803.60x = 60,789,169,360.68
  5. Step 5: Solve for x
    x = 60,789,169,360.68/219,803.60
  6. Step 6: Final answer
    x = 276,561.30

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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.