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Finding the Fourth Proportional to 637,670.88, 956,149.20 and 295,747.68

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Solution

The fourth proportional to 637,670.88, 956,149.20 and 295,747.68 is: 443,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,670.88 : 956,149.20 = 295,747.68 : x
  2. Step 2: Convert to fraction form
    637,670.88/956,149.20 = 295,747.68/x
  3. Step 3: Cross multiply
    637,670.88x = 956,149.20 × 295,747.68
  4. Step 4: Simplify right side
    637,670.88x = 282,778,907,633.86
  5. Step 5: Solve for x
    x = 282,778,907,633.86/637,670.88
  6. Step 6: Final answer
    x = 443,455.89

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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.