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Finding the Fourth Proportional to 2,718,707.16, 4,077,797.04 and 825,465

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Solution

The fourth proportional to 2,718,707.16, 4,077,797.04 and 825,465 is: 1,238,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,707.16 : 4,077,797.04 = 825,465 : x
  2. Step 2: Convert to fraction form
    2,718,707.16/4,077,797.04 = 825,465/x
  3. Step 3: Cross multiply
    2,718,707.16x = 4,077,797.04 × 825,465
  4. Step 4: Simplify right side
    2,718,707.16x = 3,366,078,733,623.60
  5. Step 5: Solve for x
    x = 3,366,078,733,623.60/2,718,707.16
  6. Step 6: Final answer
    x = 1,238,117.43

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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.