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Finding the Fourth Proportional to 404,656.56, 606,853.37 and 134,712.16

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Solution

The fourth proportional to 404,656.56, 606,853.37 and 134,712.16 is: 202,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,656.56 : 606,853.37 = 134,712.16 : x
  2. Step 2: Convert to fraction form
    404,656.56/606,853.37 = 134,712.16/x
  3. Step 3: Cross multiply
    404,656.56x = 606,853.37 × 134,712.16
  4. Step 4: Simplify right side
    404,656.56x = 81,750,529,751.42
  5. Step 5: Solve for x
    x = 81,750,529,751.42/404,656.56
  6. Step 6: Final answer
    x = 202,024.48

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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.