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Finding the Fourth Proportional to 507,379.10, 700,174.29 and 277,940.93

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Solution

The fourth proportional to 507,379.10, 700,174.29 and 277,940.93 is: 383,553.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,379.10 : 700,174.29 = 277,940.93 : x
  2. Step 2: Convert to fraction form
    507,379.10/700,174.29 = 277,940.93/x
  3. Step 3: Cross multiply
    507,379.10x = 700,174.29 × 277,940.93
  4. Step 4: Simplify right side
    507,379.10x = 194,607,090,866.10
  5. Step 5: Solve for x
    x = 194,607,090,866.10/507,379.10
  6. Step 6: Final answer
    x = 383,553.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.