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Finding the Fourth Proportional to 353,250, 529,745.40 and 116,522.64

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Solution

The fourth proportional to 353,250, 529,745.40 and 116,522.64 is: 174,741.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,250 : 529,745.40 = 116,522.64 : x
  2. Step 2: Convert to fraction form
    353,250/529,745.40 = 116,522.64/x
  3. Step 3: Cross multiply
    353,250x = 529,745.40 × 116,522.64
  4. Step 4: Simplify right side
    353,250x = 61,727,332,535.86
  5. Step 5: Solve for x
    x = 61,727,332,535.86/353,250
  6. Step 6: Final answer
    x = 174,741.21

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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.