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Finding the Fourth Proportional to 507,898.88, 761,311.18 and 187,845.06

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Solution

The fourth proportional to 507,898.88, 761,311.18 and 187,845.06 is: 281,568.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,898.88 : 761,311.18 = 187,845.06 : x
  2. Step 2: Convert to fraction form
    507,898.88/761,311.18 = 187,845.06/x
  3. Step 3: Cross multiply
    507,898.88x = 761,311.18 × 187,845.06
  4. Step 4: Simplify right side
    507,898.88x = 143,008,544,285.77
  5. Step 5: Solve for x
    x = 143,008,544,285.77/507,898.88
  6. Step 6: Final answer
    x = 281,568.93

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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.