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Finding the Fourth Proportional to 603,614.70, 904,109.85 and 366,543.90

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Solution

The fourth proportional to 603,614.70, 904,109.85 and 366,543.90 is: 549,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,614.70 : 904,109.85 = 366,543.90 : x
  2. Step 2: Convert to fraction form
    603,614.70/904,109.85 = 366,543.90/x
  3. Step 3: Cross multiply
    603,614.70x = 904,109.85 × 366,543.90
  4. Step 4: Simplify right side
    603,614.70x = 331,395,950,447.42
  5. Step 5: Solve for x
    x = 331,395,950,447.42/603,614.70
  6. Step 6: Final answer
    x = 549,019.02

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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.