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Finding the Fourth Proportional to 235,570.40, 352,491.60 and 173,362.40

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Solution

The fourth proportional to 235,570.40, 352,491.60 and 173,362.40 is: 259,407.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,570.40 : 352,491.60 = 173,362.40 : x
  2. Step 2: Convert to fraction form
    235,570.40/352,491.60 = 173,362.40/x
  3. Step 3: Cross multiply
    235,570.40x = 352,491.60 × 173,362.40
  4. Step 4: Simplify right side
    235,570.40x = 61,108,789,755.84
  5. Step 5: Solve for x
    x = 61,108,789,755.84/235,570.40
  6. Step 6: Final answer
    x = 259,407.76

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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.