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Finding the Fourth Proportional to 977,069.70, 1,465,604.55 and 737,568.90

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Solution

The fourth proportional to 977,069.70, 1,465,604.55 and 737,568.90 is: 1,106,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,069.70 : 1,465,604.55 = 737,568.90 : x
  2. Step 2: Convert to fraction form
    977,069.70/1,465,604.55 = 737,568.90/x
  3. Step 3: Cross multiply
    977,069.70x = 1,465,604.55 × 737,568.90
  4. Step 4: Simplify right side
    977,069.70x = 1,080,984,335,778.50
  5. Step 5: Solve for x
    x = 1,080,984,335,778.50/977,069.70
  6. Step 6: Final answer
    x = 1,106,353.35

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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.