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Finding the Fourth Proportional to 352,396.88, 528,818.16 and 184,220.72

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Solution

The fourth proportional to 352,396.88, 528,818.16 and 184,220.72 is: 276,447.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,396.88 : 528,818.16 = 184,220.72 : x
  2. Step 2: Convert to fraction form
    352,396.88/528,818.16 = 184,220.72/x
  3. Step 3: Cross multiply
    352,396.88x = 528,818.16 × 184,220.72
  4. Step 4: Simplify right side
    352,396.88x = 97,419,262,184.28
  5. Step 5: Solve for x
    x = 97,419,262,184.28/352,396.88
  6. Step 6: Final answer
    x = 276,447.57

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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.