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Finding the Fourth Proportional to 619,740, 930,003.26 and 264,756.69

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Solution

The fourth proportional to 619,740, 930,003.26 and 264,756.69 is: 397,303.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,740 : 930,003.26 = 264,756.69 : x
  2. Step 2: Convert to fraction form
    619,740/930,003.26 = 264,756.69/x
  3. Step 3: Cross multiply
    619,740x = 930,003.26 × 264,756.69
  4. Step 4: Simplify right side
    619,740x = 246,224,583,483.03
  5. Step 5: Solve for x
    x = 246,224,583,483.03/619,740
  6. Step 6: Final answer
    x = 397,303.04

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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.