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Finding the Fourth Proportional to 248,854.40, 372,406.80 and 173,621.60

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Solution

The fourth proportional to 248,854.40, 372,406.80 and 173,621.60 is: 259,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,854.40 : 372,406.80 = 173,621.60 : x
  2. Step 2: Convert to fraction form
    248,854.40/372,406.80 = 173,621.60/x
  3. Step 3: Cross multiply
    248,854.40x = 372,406.80 × 173,621.60
  4. Step 4: Simplify right side
    248,854.40x = 64,657,864,466.88
  5. Step 5: Solve for x
    x = 64,657,864,466.88/248,854.40
  6. Step 6: Final answer
    x = 259,822.07

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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.