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Finding the Fourth Proportional to 441,296.40, 661,620.60 and 174,925.20

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Solution

The fourth proportional to 441,296.40, 661,620.60 and 174,925.20 is: 262,259.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,296.40 : 661,620.60 = 174,925.20 : x
  2. Step 2: Convert to fraction form
    441,296.40/661,620.60 = 174,925.20/x
  3. Step 3: Cross multiply
    441,296.40x = 661,620.60 × 174,925.20
  4. Step 4: Simplify right side
    441,296.40x = 115,734,115,779.12
  5. Step 5: Solve for x
    x = 115,734,115,779.12/441,296.40
  6. Step 6: Final answer
    x = 262,259.37

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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.