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Finding the Fourth Proportional to 698,258.62, 963,598.04 and 396,452.62

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Solution

The fourth proportional to 698,258.62, 963,598.04 and 396,452.62 is: 547,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,258.62 : 963,598.04 = 396,452.62 : x
  2. Step 2: Convert to fraction form
    698,258.62/963,598.04 = 396,452.62/x
  3. Step 3: Cross multiply
    698,258.62x = 963,598.04 × 396,452.62
  4. Step 4: Simplify right side
    698,258.62x = 382,020,967,584.87
  5. Step 5: Solve for x
    x = 382,020,967,584.87/698,258.62
  6. Step 6: Final answer
    x = 547,105.27

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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.