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Finding the Fourth Proportional to 883,267.40, 1,324,901.10 and 322,520.60

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Solution

The fourth proportional to 883,267.40, 1,324,901.10 and 322,520.60 is: 483,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,267.40 : 1,324,901.10 = 322,520.60 : x
  2. Step 2: Convert to fraction form
    883,267.40/1,324,901.10 = 322,520.60/x
  3. Step 3: Cross multiply
    883,267.40x = 1,324,901.10 × 322,520.60
  4. Step 4: Simplify right side
    883,267.40x = 427,307,897,712.66
  5. Step 5: Solve for x
    x = 427,307,897,712.66/883,267.40
  6. Step 6: Final answer
    x = 483,780.90

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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.