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Finding the Fourth Proportional to 471,883.53, 707,825.28 and 134,921.51

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Solution

The fourth proportional to 471,883.53, 707,825.28 and 134,921.51 is: 202,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,883.53 : 707,825.28 = 134,921.51 : x
  2. Step 2: Convert to fraction form
    471,883.53/707,825.28 = 134,921.51/x
  3. Step 3: Cross multiply
    471,883.53x = 707,825.28 × 134,921.51
  4. Step 4: Simplify right side
    471,883.53x = 95,500,852,054.65
  5. Step 5: Solve for x
    x = 95,500,852,054.65/471,883.53
  6. Step 6: Final answer
    x = 202,382.25

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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.