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Finding the Fourth Proportional to 737,880.30, 1,106,820.45 and 655,211.70

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Solution

The fourth proportional to 737,880.30, 1,106,820.45 and 655,211.70 is: 982,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,880.30 : 1,106,820.45 = 655,211.70 : x
  2. Step 2: Convert to fraction form
    737,880.30/1,106,820.45 = 655,211.70/x
  3. Step 3: Cross multiply
    737,880.30x = 1,106,820.45 × 655,211.70
  4. Step 4: Simplify right side
    737,880.30x = 725,201,708,639.27
  5. Step 5: Solve for x
    x = 725,201,708,639.27/737,880.30
  6. Step 6: Final answer
    x = 982,817.55

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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.