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Finding the Fourth Proportional to 715,256, 1,071,251.04 and 341,541.44

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Solution

The fourth proportional to 715,256, 1,071,251.04 and 341,541.44 is: 511,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,256 : 1,071,251.04 = 341,541.44 : x
  2. Step 2: Convert to fraction form
    715,256/1,071,251.04 = 341,541.44/x
  3. Step 3: Cross multiply
    715,256x = 1,071,251.04 × 341,541.44
  4. Step 4: Simplify right side
    715,256x = 365,876,622,803.10
  5. Step 5: Solve for x
    x = 365,876,622,803.10/715,256
  6. Step 6: Final answer
    x = 511,532.41

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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.