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Finding the Fourth Proportional to 268,466.80, 402,239.40 and 174,924.40

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Solution

The fourth proportional to 268,466.80, 402,239.40 and 174,924.40 is: 262,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,466.80 : 402,239.40 = 174,924.40 : x
  2. Step 2: Convert to fraction form
    268,466.80/402,239.40 = 174,924.40/x
  3. Step 3: Cross multiply
    268,466.80x = 402,239.40 × 174,924.40
  4. Step 4: Simplify right side
    268,466.80x = 70,361,485,701.36
  5. Step 5: Solve for x
    x = 70,361,485,701.36/268,466.80
  6. Step 6: Final answer
    x = 262,086.36

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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.