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Finding the Fourth Proportional to 690,573.06, 952,930.17 and 384,626.34

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Solution

The fourth proportional to 690,573.06, 952,930.17 and 384,626.34 is: 530,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,573.06 : 952,930.17 = 384,626.34 : x
  2. Step 2: Convert to fraction form
    690,573.06/952,930.17 = 384,626.34/x
  3. Step 3: Cross multiply
    690,573.06x = 952,930.17 × 384,626.34
  4. Step 4: Simplify right side
    690,573.06x = 366,522,043,562.68
  5. Step 5: Solve for x
    x = 366,522,043,562.68/690,573.06
  6. Step 6: Final answer
    x = 530,750.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.