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Finding the Fourth Proportional to 698,325.54, 963,662.13 and 426,847.98

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Solution

The fourth proportional to 698,325.54, 963,662.13 and 426,847.98 is: 589,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,325.54 : 963,662.13 = 426,847.98 : x
  2. Step 2: Convert to fraction form
    698,325.54/963,662.13 = 426,847.98/x
  3. Step 3: Cross multiply
    698,325.54x = 963,662.13 × 426,847.98
  4. Step 4: Simplify right side
    698,325.54x = 411,337,233,593.00
  5. Step 5: Solve for x
    x = 411,337,233,593.00/698,325.54
  6. Step 6: Final answer
    x = 589,033.64

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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.