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Finding the Fourth Proportional to 743,796, 1,115,868.96 and 245,160

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Solution

The fourth proportional to 743,796, 1,115,868.96 and 245,160 is: 367,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,796 : 1,115,868.96 = 245,160 : x
  2. Step 2: Convert to fraction form
    743,796/1,115,868.96 = 245,160/x
  3. Step 3: Cross multiply
    743,796x = 1,115,868.96 × 245,160
  4. Step 4: Simplify right side
    743,796x = 273,566,434,233.60
  5. Step 5: Solve for x
    x = 273,566,434,233.60/743,796
  6. Step 6: Final answer
    x = 367,797.67

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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.