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Finding the Fourth Proportional to 450,014.20, 675,021.30 and 401,025.40

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Solution

The fourth proportional to 450,014.20, 675,021.30 and 401,025.40 is: 601,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,014.20 : 675,021.30 = 401,025.40 : x
  2. Step 2: Convert to fraction form
    450,014.20/675,021.30 = 401,025.40/x
  3. Step 3: Cross multiply
    450,014.20x = 675,021.30 × 401,025.40
  4. Step 4: Simplify right side
    450,014.20x = 270,700,686,841.02
  5. Step 5: Solve for x
    x = 270,700,686,841.02/450,014.20
  6. Step 6: Final answer
    x = 601,538.10

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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.