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Finding the Fourth Proportional to 3,698,900, 5,548,350 and 1,039,508

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Solution

The fourth proportional to 3,698,900, 5,548,350 and 1,039,508 is: 1,559,262

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698,900 : 5,548,350 = 1,039,508 : x
  2. Step 2: Convert to fraction form
    3,698,900/5,548,350 = 1,039,508/x
  3. Step 3: Cross multiply
    3,698,900x = 5,548,350 × 1,039,508
  4. Step 4: Simplify right side
    3,698,900x = 5,767,554,211,800
  5. Step 5: Solve for x
    x = 5,767,554,211,800/3,698,900
  6. Step 6: Final answer
    x = 1,559,262

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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.