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Finding the Fourth Proportional to 529,399.53, 794,247.53 and 214,077.87

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Solution

The fourth proportional to 529,399.53, 794,247.53 and 214,077.87 is: 321,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,399.53 : 794,247.53 = 214,077.87 : x
  2. Step 2: Convert to fraction form
    529,399.53/794,247.53 = 214,077.87/x
  3. Step 3: Cross multiply
    529,399.53x = 794,247.53 × 214,077.87
  4. Step 4: Simplify right side
    529,399.53x = 170,030,818,404.77
  5. Step 5: Solve for x
    x = 170,030,818,404.77/529,399.53
  6. Step 6: Final answer
    x = 321,176.75

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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.