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Finding the Fourth Proportional to 507,379.53, 700,174.90 and 277,941.36

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Solution

The fourth proportional to 507,379.53, 700,174.90 and 277,941.36 is: 383,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,379.53 : 700,174.90 = 277,941.36 : x
  2. Step 2: Convert to fraction form
    507,379.53/700,174.90 = 277,941.36/x
  3. Step 3: Cross multiply
    507,379.53x = 700,174.90 × 277,941.36
  4. Step 4: Simplify right side
    507,379.53x = 194,607,563,943.86
  5. Step 5: Solve for x
    x = 194,607,563,943.86/507,379.53
  6. Step 6: Final answer
    x = 383,554.23

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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.