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Finding the Fourth Proportional to 352,372.26, 528,559.60 and 103,054.26

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Solution

The fourth proportional to 352,372.26, 528,559.60 and 103,054.26 is: 154,581.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,372.26 : 528,559.60 = 103,054.26 : x
  2. Step 2: Convert to fraction form
    352,372.26/528,559.60 = 103,054.26/x
  3. Step 3: Cross multiply
    352,372.26x = 528,559.60 × 103,054.26
  4. Step 4: Simplify right side
    352,372.26x = 54,470,318,443.90
  5. Step 5: Solve for x
    x = 54,470,318,443.90/352,372.26
  6. Step 6: Final answer
    x = 154,581.74

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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.