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Finding the Fourth Proportional to 737,728.20, 1,106,592.30 and 732,479.40

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Solution

The fourth proportional to 737,728.20, 1,106,592.30 and 732,479.40 is: 1,098,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,728.20 : 1,106,592.30 = 732,479.40 : x
  2. Step 2: Convert to fraction form
    737,728.20/1,106,592.30 = 732,479.40/x
  3. Step 3: Cross multiply
    737,728.20x = 1,106,592.30 × 732,479.40
  4. Step 4: Simplify right side
    737,728.20x = 810,556,063,948.62
  5. Step 5: Solve for x
    x = 810,556,063,948.62/737,728.20
  6. Step 6: Final answer
    x = 1,098,719.10

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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.