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Finding the Fourth Proportional to 737,665.80, 1,106,498.70 and 726,606.60

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Solution

The fourth proportional to 737,665.80, 1,106,498.70 and 726,606.60 is: 1,089,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,665.80 : 1,106,498.70 = 726,606.60 : x
  2. Step 2: Convert to fraction form
    737,665.80/1,106,498.70 = 726,606.60/x
  3. Step 3: Cross multiply
    737,665.80x = 1,106,498.70 × 726,606.60
  4. Step 4: Simplify right side
    737,665.80x = 803,989,258,311.42
  5. Step 5: Solve for x
    x = 803,989,258,311.42/737,665.80
  6. Step 6: Final answer
    x = 1,089,909.90

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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.