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Finding the Fourth Proportional to 995,622, 1,493,582.76 and 321,477.36

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Solution

The fourth proportional to 995,622, 1,493,582.76 and 321,477.36 is: 482,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,622 : 1,493,582.76 = 321,477.36 : x
  2. Step 2: Convert to fraction form
    995,622/1,493,582.76 = 321,477.36/x
  3. Step 3: Cross multiply
    995,622x = 1,493,582.76 × 321,477.36
  4. Step 4: Simplify right side
    995,622x = 480,153,042,626.31
  5. Step 5: Solve for x
    x = 480,153,042,626.31/995,622
  6. Step 6: Final answer
    x = 482,264.40

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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.