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Finding the Fourth Proportional to 372,339.44, 513,834.60 and 202,574.48

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Solution

The fourth proportional to 372,339.44, 513,834.60 and 202,574.48 is: 279,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,339.44 : 513,834.60 = 202,574.48 : x
  2. Step 2: Convert to fraction form
    372,339.44/513,834.60 = 202,574.48/x
  3. Step 3: Cross multiply
    372,339.44x = 513,834.60 × 202,574.48
  4. Step 4: Simplify right side
    372,339.44x = 104,089,776,901.01
  5. Step 5: Solve for x
    x = 104,089,776,901.01/372,339.44
  6. Step 6: Final answer
    x = 279,556.14

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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.