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Finding the Fourth Proportional to 897,746.20, 1,347,353.70 and 890,747.80

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Solution

The fourth proportional to 897,746.20, 1,347,353.70 and 890,747.80 is: 1,336,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,746.20 : 1,347,353.70 = 890,747.80 : x
  2. Step 2: Convert to fraction form
    897,746.20/1,347,353.70 = 890,747.80/x
  3. Step 3: Cross multiply
    897,746.20x = 1,347,353.70 × 890,747.80
  4. Step 4: Simplify right side
    897,746.20x = 1,200,152,344,096.86
  5. Step 5: Solve for x
    x = 1,200,152,344,096.86/897,746.20
  6. Step 6: Final answer
    x = 1,336,850.37

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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.