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Finding the Fourth Proportional to 637,676.34, 956,486.83 and 238,320.58

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Solution

The fourth proportional to 637,676.34, 956,486.83 and 238,320.58 is: 357,470.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,676.34 : 956,486.83 = 238,320.58 : x
  2. Step 2: Convert to fraction form
    637,676.34/956,486.83 = 238,320.58/x
  3. Step 3: Cross multiply
    637,676.34x = 956,486.83 × 238,320.58
  4. Step 4: Simplify right side
    637,676.34x = 227,950,496,087.96
  5. Step 5: Solve for x
    x = 227,950,496,087.96/637,676.34
  6. Step 6: Final answer
    x = 357,470.53

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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.