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Finding the Fourth Proportional to 307,731.70, 460,906.35 and 307,731.70

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Solution

The fourth proportional to 307,731.70, 460,906.35 and 307,731.70 is: 460,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,731.70 : 460,906.35 = 307,731.70 : x
  2. Step 2: Convert to fraction form
    307,731.70/460,906.35 = 307,731.70/x
  3. Step 3: Cross multiply
    307,731.70x = 460,906.35 × 307,731.70
  4. Step 4: Simplify right side
    307,731.70x = 141,835,494,626.30
  5. Step 5: Solve for x
    x = 141,835,494,626.30/307,731.70
  6. Step 6: Final answer
    x = 460,906.35

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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.