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Finding the Fourth Proportional to 307,807.80, 460,977.30 and 149,527.80

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Solution

The fourth proportional to 307,807.80, 460,977.30 and 149,527.80 is: 223,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,807.80 : 460,977.30 = 149,527.80 : x
  2. Step 2: Convert to fraction form
    307,807.80/460,977.30 = 149,527.80/x
  3. Step 3: Cross multiply
    307,807.80x = 460,977.30 × 149,527.80
  4. Step 4: Simplify right side
    307,807.80x = 68,928,921,518.94
  5. Step 5: Solve for x
    x = 68,928,921,518.94/307,807.80
  6. Step 6: Final answer
    x = 223,934.94

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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.