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Finding the Fourth Proportional to 578,556.47, 798,491.62 and 323,924.06

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Solution

The fourth proportional to 578,556.47, 798,491.62 and 323,924.06 is: 447,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,556.47 : 798,491.62 = 323,924.06 : x
  2. Step 2: Convert to fraction form
    578,556.47/798,491.62 = 323,924.06/x
  3. Step 3: Cross multiply
    578,556.47x = 798,491.62 × 323,924.06
  4. Step 4: Simplify right side
    578,556.47x = 258,650,649,827.51
  5. Step 5: Solve for x
    x = 258,650,649,827.51/578,556.47
  6. Step 6: Final answer
    x = 447,062.06

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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.