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Finding the Fourth Proportional to 655,922.40, 983,883.60 and 591,640.80

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Solution

The fourth proportional to 655,922.40, 983,883.60 and 591,640.80 is: 887,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,922.40 : 983,883.60 = 591,640.80 : x
  2. Step 2: Convert to fraction form
    655,922.40/983,883.60 = 591,640.80/x
  3. Step 3: Cross multiply
    655,922.40x = 983,883.60 × 591,640.80
  4. Step 4: Simplify right side
    655,922.40x = 582,105,680,210.88
  5. Step 5: Solve for x
    x = 582,105,680,210.88/655,922.40
  6. Step 6: Final answer
    x = 887,461.20

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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.