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Finding the Fourth Proportional to 799,604.30, 1,199,614 and 238,638.80

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Solution

The fourth proportional to 799,604.30, 1,199,614 and 238,638.80 is: 358,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,604.30 : 1,199,614 = 238,638.80 : x
  2. Step 2: Convert to fraction form
    799,604.30/1,199,614 = 238,638.80/x
  3. Step 3: Cross multiply
    799,604.30x = 1,199,614 × 238,638.80
  4. Step 4: Simplify right side
    799,604.30x = 286,274,445,423.20
  5. Step 5: Solve for x
    x = 286,274,445,423.20/799,604.30
  6. Step 6: Final answer
    x = 358,020.14

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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.