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Finding the Fourth Proportional to 619,650.35, 928,836.09 and 260,030.09

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Solution

The fourth proportional to 619,650.35, 928,836.09 and 260,030.09 is: 389,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,650.35 : 928,836.09 = 260,030.09 : x
  2. Step 2: Convert to fraction form
    619,650.35/928,836.09 = 260,030.09/x
  3. Step 3: Cross multiply
    619,650.35x = 928,836.09 × 260,030.09
  4. Step 4: Simplify right side
    619,650.35x = 241,525,327,433.77
  5. Step 5: Solve for x
    x = 241,525,327,433.77/619,650.35
  6. Step 6: Final answer
    x = 389,776.80

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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.