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Finding the Fourth Proportional to 484,748.92, 727,455.56 and 169,205.80

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Solution

The fourth proportional to 484,748.92, 727,455.56 and 169,205.80 is: 253,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,748.92 : 727,455.56 = 169,205.80 : x
  2. Step 2: Convert to fraction form
    484,748.92/727,455.56 = 169,205.80/x
  3. Step 3: Cross multiply
    484,748.92x = 727,455.56 × 169,205.80
  4. Step 4: Simplify right side
    484,748.92x = 123,089,699,994.25
  5. Step 5: Solve for x
    x = 123,089,699,994.25/484,748.92
  6. Step 6: Final answer
    x = 253,924.65

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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.