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Finding the Fourth Proportional to 471,843.51, 707,712.28 and 130,335.48

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Solution

The fourth proportional to 471,843.51, 707,712.28 and 130,335.48 is: 195,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,843.51 : 707,712.28 = 130,335.48 : x
  2. Step 2: Convert to fraction form
    471,843.51/707,712.28 = 130,335.48/x
  3. Step 3: Cross multiply
    471,843.51x = 707,712.28 × 130,335.48
  4. Step 4: Simplify right side
    471,843.51x = 92,240,019,389.86
  5. Step 5: Solve for x
    x = 92,240,019,389.86/471,843.51
  6. Step 6: Final answer
    x = 195,488.58

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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.