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Finding the Fourth Proportional to 965,807.60, 1,450,093.80 and 545,903.60

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Solution

The fourth proportional to 965,807.60, 1,450,093.80 and 545,903.60 is: 819,636.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,807.60 : 1,450,093.80 = 545,903.60 : x
  2. Step 2: Convert to fraction form
    965,807.60/1,450,093.80 = 545,903.60/x
  3. Step 3: Cross multiply
    965,807.60x = 1,450,093.80 × 545,903.60
  4. Step 4: Simplify right side
    965,807.60x = 791,611,425,757.68
  5. Step 5: Solve for x
    x = 791,611,425,757.68/965,807.60
  6. Step 6: Final answer
    x = 819,636.77

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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.