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Finding the Fourth Proportional to 1,199,166, 1,798,706 and 300,615.12

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Solution

The fourth proportional to 1,199,166, 1,798,706 and 300,615.12 is: 450,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,166 : 1,798,706 = 300,615.12 : x
  2. Step 2: Convert to fraction form
    1,199,166/1,798,706 = 300,615.12/x
  3. Step 3: Cross multiply
    1,199,166x = 1,798,706 × 300,615.12
  4. Step 4: Simplify right side
    1,199,166x = 540,718,220,034.72
  5. Step 5: Solve for x
    x = 540,718,220,034.72/1,199,166
  6. Step 6: Final answer
    x = 450,911.90

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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.