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Finding the Fourth Proportional to 778,956, 1,168,317.03 and 246,407.82

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Solution

The fourth proportional to 778,956, 1,168,317.03 and 246,407.82 is: 369,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,956 : 1,168,317.03 = 246,407.82 : x
  2. Step 2: Convert to fraction form
    778,956/1,168,317.03 = 246,407.82/x
  3. Step 3: Cross multiply
    778,956x = 1,168,317.03 × 246,407.82
  4. Step 4: Simplify right side
    778,956x = 287,882,452,431.18
  5. Step 5: Solve for x
    x = 287,882,452,431.18/778,956
  6. Step 6: Final answer
    x = 369,574.73

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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.