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Finding the Fourth Proportional to 759,903.76, 1,048,636.20 and 437,626

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Solution

The fourth proportional to 759,903.76, 1,048,636.20 and 437,626 is: 603,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,903.76 : 1,048,636.20 = 437,626 : x
  2. Step 2: Convert to fraction form
    759,903.76/1,048,636.20 = 437,626/x
  3. Step 3: Cross multiply
    759,903.76x = 1,048,636.20 × 437,626
  4. Step 4: Simplify right side
    759,903.76x = 458,910,465,661.20
  5. Step 5: Solve for x
    x = 458,910,465,661.20/759,903.76
  6. Step 6: Final answer
    x = 603,906.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.