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Finding the Fourth Proportional to 360,612, 540,918 and 97,956

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Solution

The fourth proportional to 360,612, 540,918 and 97,956 is: 146,934

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,612 : 540,918 = 97,956 : x
  2. Step 2: Convert to fraction form
    360,612/540,918 = 97,956/x
  3. Step 3: Cross multiply
    360,612x = 540,918 × 97,956
  4. Step 4: Simplify right side
    360,612x = 52,986,163,608
  5. Step 5: Solve for x
    x = 52,986,163,608/360,612
  6. Step 6: Final answer
    x = 146,934

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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.