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Finding the Fourth Proportional to 463,271.20, 695,943.60 and 444,378.40

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Solution

The fourth proportional to 463,271.20, 695,943.60 and 444,378.40 is: 667,562.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,271.20 : 695,943.60 = 444,378.40 : x
  2. Step 2: Convert to fraction form
    463,271.20/695,943.60 = 444,378.40/x
  3. Step 3: Cross multiply
    463,271.20x = 695,943.60 × 444,378.40
  4. Step 4: Simplify right side
    463,271.20x = 309,262,303,458.24
  5. Step 5: Solve for x
    x = 309,262,303,458.24/463,271.20
  6. Step 6: Final answer
    x = 667,562.12

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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.