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Finding the Fourth Proportional to 938,800.08, 1,408,185.54 and 377,820

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Solution

The fourth proportional to 938,800.08, 1,408,185.54 and 377,820 is: 566,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,800.08 : 1,408,185.54 = 377,820 : x
  2. Step 2: Convert to fraction form
    938,800.08/1,408,185.54 = 377,820/x
  3. Step 3: Cross multiply
    938,800.08x = 1,408,185.54 × 377,820
  4. Step 4: Simplify right side
    938,800.08x = 532,040,660,722.80
  5. Step 5: Solve for x
    x = 532,040,660,722.80/938,800.08
  6. Step 6: Final answer
    x = 566,724.13

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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.