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Finding the Fourth Proportional to 515,719, 773,597.96 and 160,731.64

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Solution

The fourth proportional to 515,719, 773,597.96 and 160,731.64 is: 241,103.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,719 : 773,597.96 = 160,731.64 : x
  2. Step 2: Convert to fraction form
    515,719/773,597.96 = 160,731.64/x
  3. Step 3: Cross multiply
    515,719x = 773,597.96 × 160,731.64
  4. Step 4: Simplify right side
    515,719x = 124,341,668,811.45
  5. Step 5: Solve for x
    x = 124,341,668,811.45/515,719
  6. Step 6: Final answer
    x = 241,103.53

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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.