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Finding the Fourth Proportional to 599,035.20, 826,702.32 and 327,128.40

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Solution

The fourth proportional to 599,035.20, 826,702.32 and 327,128.40 is: 451,455.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,035.20 : 826,702.32 = 327,128.40 : x
  2. Step 2: Convert to fraction form
    599,035.20/826,702.32 = 327,128.40/x
  3. Step 3: Cross multiply
    599,035.20x = 826,702.32 × 327,128.40
  4. Step 4: Simplify right side
    599,035.20x = 270,437,807,217.89
  5. Step 5: Solve for x
    x = 270,437,807,217.89/599,035.20
  6. Step 6: Final answer
    x = 451,455.62

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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.