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Finding the Fourth Proportional to 483,877.60, 725,816.40 and 476,004.40

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Solution

The fourth proportional to 483,877.60, 725,816.40 and 476,004.40 is: 714,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,877.60 : 725,816.40 = 476,004.40 : x
  2. Step 2: Convert to fraction form
    483,877.60/725,816.40 = 476,004.40/x
  3. Step 3: Cross multiply
    483,877.60x = 725,816.40 × 476,004.40
  4. Step 4: Simplify right side
    483,877.60x = 345,491,799,992.16
  5. Step 5: Solve for x
    x = 345,491,799,992.16/483,877.60
  6. Step 6: Final answer
    x = 714,006.60

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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.