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Finding the Fourth Proportional to 265,079.64, 397,623.58 and 251,621.39

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Solution

The fourth proportional to 265,079.64, 397,623.58 and 251,621.39 is: 377,436.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,079.64 : 397,623.58 = 251,621.39 : x
  2. Step 2: Convert to fraction form
    265,079.64/397,623.58 = 251,621.39/x
  3. Step 3: Cross multiply
    265,079.64x = 397,623.58 × 251,621.39
  4. Step 4: Simplify right side
    265,079.64x = 100,050,597,896.38
  5. Step 5: Solve for x
    x = 100,050,597,896.38/265,079.64
  6. Step 6: Final answer
    x = 377,436.00

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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.