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Finding the Fourth Proportional to 700,791.50, 1,051,362.84 and 202,155.50

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Solution

The fourth proportional to 700,791.50, 1,051,362.84 and 202,155.50 is: 303,283.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,791.50 : 1,051,362.84 = 202,155.50 : x
  2. Step 2: Convert to fraction form
    700,791.50/1,051,362.84 = 202,155.50/x
  3. Step 3: Cross multiply
    700,791.50x = 1,051,362.84 × 202,155.50
  4. Step 4: Simplify right side
    700,791.50x = 212,538,780,601.62
  5. Step 5: Solve for x
    x = 212,538,780,601.62/700,791.50
  6. Step 6: Final answer
    x = 303,283.90

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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.