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Finding the Fourth Proportional to 603,298.10, 904,169.55 and 366,389.30

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Solution

The fourth proportional to 603,298.10, 904,169.55 and 366,389.30 is: 549,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,298.10 : 904,169.55 = 366,389.30 : x
  2. Step 2: Convert to fraction form
    603,298.10/904,169.55 = 366,389.30/x
  3. Step 3: Cross multiply
    603,298.10x = 904,169.55 × 366,389.30
  4. Step 4: Simplify right side
    603,298.10x = 331,278,048,505.82
  5. Step 5: Solve for x
    x = 331,278,048,505.82/603,298.10
  6. Step 6: Final answer
    x = 549,111.71

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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.