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Finding the Fourth Proportional to 352,801.80, 528,857.10 and 184,408.20

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Solution

The fourth proportional to 352,801.80, 528,857.10 and 184,408.20 is: 276,431.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,801.80 : 528,857.10 = 184,408.20 : x
  2. Step 2: Convert to fraction form
    352,801.80/528,857.10 = 184,408.20/x
  3. Step 3: Cross multiply
    352,801.80x = 528,857.10 × 184,408.20
  4. Step 4: Simplify right side
    352,801.80x = 97,525,585,868.22
  5. Step 5: Solve for x
    x = 97,525,585,868.22/352,801.80
  6. Step 6: Final answer
    x = 276,431.66

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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.