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Finding the Fourth Proportional to 352,832.80, 528,903.60 and 184,439.20

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Solution

The fourth proportional to 352,832.80, 528,903.60 and 184,439.20 is: 276,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,832.80 : 528,903.60 = 184,439.20 : x
  2. Step 2: Convert to fraction form
    352,832.80/528,903.60 = 184,439.20/x
  3. Step 3: Cross multiply
    352,832.80x = 528,903.60 × 184,439.20
  4. Step 4: Simplify right side
    352,832.80x = 97,550,556,861.12
  5. Step 5: Solve for x
    x = 97,550,556,861.12/352,832.80
  6. Step 6: Final answer
    x = 276,478.14

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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.