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Finding the Fourth Proportional to 587,883.40, 880,512.90 and 454,330.60

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Solution

The fourth proportional to 587,883.40, 880,512.90 and 454,330.60 is: 680,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,883.40 : 880,512.90 = 454,330.60 : x
  2. Step 2: Convert to fraction form
    587,883.40/880,512.90 = 454,330.60/x
  3. Step 3: Cross multiply
    587,883.40x = 880,512.90 × 454,330.60
  4. Step 4: Simplify right side
    587,883.40x = 400,043,954,164.74
  5. Step 5: Solve for x
    x = 400,043,954,164.74/587,883.40
  6. Step 6: Final answer
    x = 680,481.80

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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.