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Finding the Fourth Proportional to 248,655.30, 372,985.58 and 199,050.74

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Solution

The fourth proportional to 248,655.30, 372,985.58 and 199,050.74 is: 298,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,655.30 : 372,985.58 = 199,050.74 : x
  2. Step 2: Convert to fraction form
    248,655.30/372,985.58 = 199,050.74/x
  3. Step 3: Cross multiply
    248,655.30x = 372,985.58 × 199,050.74
  4. Step 4: Simplify right side
    248,655.30x = 74,243,055,708.33
  5. Step 5: Solve for x
    x = 74,243,055,708.33/248,655.30
  6. Step 6: Final answer
    x = 298,578.22

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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.