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Finding the Fourth Proportional to 307,160.01, 460,708.87 and 82,491.24

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Solution

The fourth proportional to 307,160.01, 460,708.87 and 82,491.24 is: 123,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,160.01 : 460,708.87 = 82,491.24 : x
  2. Step 2: Convert to fraction form
    307,160.01/460,708.87 = 82,491.24/x
  3. Step 3: Cross multiply
    307,160.01x = 460,708.87 × 82,491.24
  4. Step 4: Simplify right side
    307,160.01x = 38,004,446,704.61
  5. Step 5: Solve for x
    x = 38,004,446,704.61/307,160.01
  6. Step 6: Final answer
    x = 123,728.50

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1.5x scale

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.