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Finding the Fourth Proportional to 297,758.65, 446,707.06 and 98,071.87

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Solution

The fourth proportional to 297,758.65, 446,707.06 and 98,071.87 is: 147,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,758.65 : 446,707.06 = 98,071.87 : x
  2. Step 2: Convert to fraction form
    297,758.65/446,707.06 = 98,071.87/x
  3. Step 3: Cross multiply
    297,758.65x = 446,707.06 × 98,071.87
  4. Step 4: Simplify right side
    297,758.65x = 43,809,396,716.40
  5. Step 5: Solve for x
    x = 43,809,396,716.40/297,758.65
  6. Step 6: Final answer
    x = 147,130.56

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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.