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Finding the Fourth Proportional to 603,722.20, 904,271.10 and 366,651.40

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Solution

The fourth proportional to 603,722.20, 904,271.10 and 366,651.40 is: 549,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,722.20 : 904,271.10 = 366,651.40 : x
  2. Step 2: Convert to fraction form
    603,722.20/904,271.10 = 366,651.40/x
  3. Step 3: Cross multiply
    603,722.20x = 904,271.10 × 366,651.40
  4. Step 4: Simplify right side
    603,722.20x = 331,552,264,794.54
  5. Step 5: Solve for x
    x = 331,552,264,794.54/603,722.20
  6. Step 6: Final answer
    x = 549,180.18

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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.