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Finding the Fourth Proportional to 737,729.80, 1,106,594.70 and 363,704.20

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Solution

The fourth proportional to 737,729.80, 1,106,594.70 and 363,704.20 is: 545,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,729.80 : 1,106,594.70 = 363,704.20 : x
  2. Step 2: Convert to fraction form
    737,729.80/1,106,594.70 = 363,704.20/x
  3. Step 3: Cross multiply
    737,729.80x = 1,106,594.70 × 363,704.20
  4. Step 4: Simplify right side
    737,729.80x = 402,473,140,087.74
  5. Step 5: Solve for x
    x = 402,473,140,087.74/737,729.80
  6. Step 6: Final answer
    x = 545,556.30

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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.