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Finding the Fourth Proportional to 664,363.36, 996,300.52 and 522,485.84

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Solution

The fourth proportional to 664,363.36, 996,300.52 and 522,485.84 is: 783,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,363.36 : 996,300.52 = 522,485.84 : x
  2. Step 2: Convert to fraction form
    664,363.36/996,300.52 = 522,485.84/x
  3. Step 3: Cross multiply
    664,363.36x = 996,300.52 × 522,485.84
  4. Step 4: Simplify right side
    664,363.36x = 520,552,914,084.64
  5. Step 5: Solve for x
    x = 520,552,914,084.64/664,363.36
  6. Step 6: Final answer
    x = 783,536.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.