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Finding the Fourth Proportional to 488,337.40, 732,408.90 and 235,617.40

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Solution

The fourth proportional to 488,337.40, 732,408.90 and 235,617.40 is: 353,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,337.40 : 732,408.90 = 235,617.40 : x
  2. Step 2: Convert to fraction form
    488,337.40/732,408.90 = 235,617.40/x
  3. Step 3: Cross multiply
    488,337.40x = 732,408.90 × 235,617.40
  4. Step 4: Simplify right side
    488,337.40x = 172,568,280,754.86
  5. Step 5: Solve for x
    x = 172,568,280,754.86/488,337.40
  6. Step 6: Final answer
    x = 353,379.20

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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.