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Finding the Fourth Proportional to 556,345.44, 767,757.12 and 301,696.56

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Solution

The fourth proportional to 556,345.44, 767,757.12 and 301,696.56 is: 416,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,345.44 : 767,757.12 = 301,696.56 : x
  2. Step 2: Convert to fraction form
    556,345.44/767,757.12 = 301,696.56/x
  3. Step 3: Cross multiply
    556,345.44x = 767,757.12 × 301,696.56
  4. Step 4: Simplify right side
    556,345.44x = 231,629,682,019.51
  5. Step 5: Solve for x
    x = 231,629,682,019.51/556,345.44
  6. Step 6: Final answer
    x = 416,341.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.