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Finding the Fourth Proportional to 844,813.60, 1,264,887.60 and 658,189.60

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Solution

The fourth proportional to 844,813.60, 1,264,887.60 and 658,189.60 is: 985,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,813.60 : 1,264,887.60 = 658,189.60 : x
  2. Step 2: Convert to fraction form
    844,813.60/1,264,887.60 = 658,189.60/x
  3. Step 3: Cross multiply
    844,813.60x = 1,264,887.60 × 658,189.60
  4. Step 4: Simplify right side
    844,813.60x = 832,535,863,488.96
  5. Step 5: Solve for x
    x = 832,535,863,488.96/844,813.60
  6. Step 6: Final answer
    x = 985,466.93

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1.5x scale

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.