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Finding the Fourth Proportional to 898,407.70, 1,347,611.55 and 886,597.90

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Solution

The fourth proportional to 898,407.70, 1,347,611.55 and 886,597.90 is: 1,329,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,407.70 : 1,347,611.55 = 886,597.90 : x
  2. Step 2: Convert to fraction form
    898,407.70/1,347,611.55 = 886,597.90/x
  3. Step 3: Cross multiply
    898,407.70x = 1,347,611.55 × 886,597.90
  4. Step 4: Simplify right side
    898,407.70x = 1,194,789,570,245.75
  5. Step 5: Solve for x
    x = 1,194,789,570,245.75/898,407.70
  6. Step 6: Final answer
    x = 1,329,896.85

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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.