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Finding the Fourth Proportional to 575,687.43, 863,525.07 and 196,603.83

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Solution

The fourth proportional to 575,687.43, 863,525.07 and 196,603.83 is: 294,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,687.43 : 863,525.07 = 196,603.83 : x
  2. Step 2: Convert to fraction form
    575,687.43/863,525.07 = 196,603.83/x
  3. Step 3: Cross multiply
    575,687.43x = 863,525.07 × 196,603.83
  4. Step 4: Simplify right side
    575,687.43x = 169,772,336,063.02
  5. Step 5: Solve for x
    x = 169,772,336,063.02/575,687.43
  6. Step 6: Final answer
    x = 294,903.67

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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.