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Finding the Fourth Proportional to 698,246.27, 963,580.49 and 396,440.27

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Solution

The fourth proportional to 698,246.27, 963,580.49 and 396,440.27 is: 547,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,246.27 : 963,580.49 = 396,440.27 : x
  2. Step 2: Convert to fraction form
    698,246.27/963,580.49 = 396,440.27/x
  3. Step 3: Cross multiply
    698,246.27x = 963,580.49 × 396,440.27
  4. Step 4: Simplify right side
    698,246.27x = 382,002,102,822.23
  5. Step 5: Solve for x
    x = 382,002,102,822.23/698,246.27
  6. Step 6: Final answer
    x = 547,087.93

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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.