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Finding the Fourth Proportional to 698,098.56, 963,350.24 and 426,620.64

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Solution

The fourth proportional to 698,098.56, 963,350.24 and 426,620.64 is: 588,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,098.56 : 963,350.24 = 426,620.64 : x
  2. Step 2: Convert to fraction form
    698,098.56/963,350.24 = 426,620.64/x
  3. Step 3: Cross multiply
    698,098.56x = 963,350.24 × 426,620.64
  4. Step 4: Simplify right side
    698,098.56x = 410,985,095,932.95
  5. Step 5: Solve for x
    x = 410,985,095,932.95/698,098.56
  6. Step 6: Final answer
    x = 588,720.73

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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.