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Finding the Fourth Proportional to 268,052.80, 401,618.40 and 174,510.40

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Solution

The fourth proportional to 268,052.80, 401,618.40 and 174,510.40 is: 261,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,052.80 : 401,618.40 = 174,510.40 : x
  2. Step 2: Convert to fraction form
    268,052.80/401,618.40 = 174,510.40/x
  3. Step 3: Cross multiply
    268,052.80x = 401,618.40 × 174,510.40
  4. Step 4: Simplify right side
    268,052.80x = 70,086,587,631.36
  5. Step 5: Solve for x
    x = 70,086,587,631.36/268,052.80
  6. Step 6: Final answer
    x = 261,465.61

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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.