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Finding the Fourth Proportional to 363,291, 545,024 and 113,973

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Solution

The fourth proportional to 363,291, 545,024 and 113,973 is: 170,986.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,291 : 545,024 = 113,973 : x
  2. Step 2: Convert to fraction form
    363,291/545,024 = 113,973/x
  3. Step 3: Cross multiply
    363,291x = 545,024 × 113,973
  4. Step 4: Simplify right side
    363,291x = 62,118,020,352
  5. Step 5: Solve for x
    x = 62,118,020,352/363,291
  6. Step 6: Final answer
    x = 170,986.95

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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.