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Finding the Fourth Proportional to 619,800.08, 930,198.38 and 320,368.48

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Solution

The fourth proportional to 619,800.08, 930,198.38 and 320,368.48 is: 480,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,800.08 : 930,198.38 = 320,368.48 : x
  2. Step 2: Convert to fraction form
    619,800.08/930,198.38 = 320,368.48/x
  3. Step 3: Cross multiply
    619,800.08x = 930,198.38 × 320,368.48
  4. Step 4: Simplify right side
    619,800.08x = 298,006,241,099.06
  5. Step 5: Solve for x
    x = 298,006,241,099.06/619,800.08
  6. Step 6: Final answer
    x = 480,810.27

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1.5x scale

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.