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Finding the Fourth Proportional to 368,398, 552,597 and 119,080

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Solution

The fourth proportional to 368,398, 552,597 and 119,080 is: 178,620

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,398 : 552,597 = 119,080 : x
  2. Step 2: Convert to fraction form
    368,398/552,597 = 119,080/x
  3. Step 3: Cross multiply
    368,398x = 552,597 × 119,080
  4. Step 4: Simplify right side
    368,398x = 65,803,250,760
  5. Step 5: Solve for x
    x = 65,803,250,760/368,398
  6. Step 6: Final answer
    x = 178,620

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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.