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Finding the Fourth Proportional to 709,083, 1,063,027.92 and 329,811.03

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Solution

The fourth proportional to 709,083, 1,063,027.92 and 329,811.03 is: 494,439.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,083 : 1,063,027.92 = 329,811.03 : x
  2. Step 2: Convert to fraction form
    709,083/1,063,027.92 = 329,811.03/x
  3. Step 3: Cross multiply
    709,083x = 1,063,027.92 × 329,811.03
  4. Step 4: Simplify right side
    709,083x = 350,598,333,213.96
  5. Step 5: Solve for x
    x = 350,598,333,213.96/709,083
  6. Step 6: Final answer
    x = 494,439.06

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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.