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Finding the Fourth Proportional to 3,295,678.92, 4,941,712.24 and 1,020,571.72

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Solution

The fourth proportional to 3,295,678.92, 4,941,712.24 and 1,020,571.72 is: 1,530,298.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,295,678.92 : 4,941,712.24 = 1,020,571.72 : x
  2. Step 2: Convert to fraction form
    3,295,678.92/4,941,712.24 = 1,020,571.72/x
  3. Step 3: Cross multiply
    3,295,678.92x = 4,941,712.24 × 1,020,571.72
  4. Step 4: Simplify right side
    3,295,678.92x = 5,043,371,760,521.85
  5. Step 5: Solve for x
    x = 5,043,371,760,521.85/3,295,678.92
  6. Step 6: Final answer
    x = 1,530,298.27

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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.