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Finding the Fourth Proportional to 706,321.89, 1,052,829 and 649,634.85

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Solution

The fourth proportional to 706,321.89, 1,052,829 and 649,634.85 is: 968,332.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,321.89 : 1,052,829 = 649,634.85 : x
  2. Step 2: Convert to fraction form
    706,321.89/1,052,829 = 649,634.85/x
  3. Step 3: Cross multiply
    706,321.89x = 1,052,829 × 649,634.85
  4. Step 4: Simplify right side
    706,321.89x = 683,954,409,490.65
  5. Step 5: Solve for x
    x = 683,954,409,490.65/706,321.89
  6. Step 6: Final answer
    x = 968,332.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.