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Finding the Fourth Proportional to 307,600.70, 461,200.58 and 276,107.90

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Solution

The fourth proportional to 307,600.70, 461,200.58 and 276,107.90 is: 413,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,600.70 : 461,200.58 = 276,107.90 : x
  2. Step 2: Convert to fraction form
    307,600.70/461,200.58 = 276,107.90/x
  3. Step 3: Cross multiply
    307,600.70x = 461,200.58 × 276,107.90
  4. Step 4: Simplify right side
    307,600.70x = 127,341,122,242.04
  5. Step 5: Solve for x
    x = 127,341,122,242.04/307,600.70
  6. Step 6: Final answer
    x = 413,981.90

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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.