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Finding the Fourth Proportional to 698,048.52, 963,280.24 and 426,570.56

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Solution

The fourth proportional to 698,048.52, 963,280.24 and 426,570.56 is: 588,651.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,048.52 : 963,280.24 = 426,570.56 : x
  2. Step 2: Convert to fraction form
    698,048.52/963,280.24 = 426,570.56/x
  3. Step 3: Cross multiply
    698,048.52x = 963,280.24 × 426,570.56
  4. Step 4: Simplify right side
    698,048.52x = 410,906,991,413.73
  5. Step 5: Solve for x
    x = 410,906,991,413.73/698,048.52
  6. Step 6: Final answer
    x = 588,651.05

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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.