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Finding the Fourth Proportional to 1,600,873.20, 2,401,668 and 843,071.40

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Solution

The fourth proportional to 1,600,873.20, 2,401,668 and 843,071.40 is: 1,264,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,873.20 : 2,401,668 = 843,071.40 : x
  2. Step 2: Convert to fraction form
    1,600,873.20/2,401,668 = 843,071.40/x
  3. Step 3: Cross multiply
    1,600,873.20x = 2,401,668 × 843,071.40
  4. Step 4: Simplify right side
    1,600,873.20x = 2,024,777,603,095.20
  5. Step 5: Solve for x
    x = 2,024,777,603,095.20/1,600,873.20
  6. Step 6: Final answer
    x = 1,264,795.74

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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.