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Finding the Fourth Proportional to 656,147.34, 984,603.73 and 356,659.56

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Solution

The fourth proportional to 656,147.34, 984,603.73 and 356,659.56 is: 535,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,147.34 : 984,603.73 = 356,659.56 : x
  2. Step 2: Convert to fraction form
    656,147.34/984,603.73 = 356,659.56/x
  3. Step 3: Cross multiply
    656,147.34x = 984,603.73 × 356,659.56
  4. Step 4: Simplify right side
    656,147.34x = 351,168,333,116.16
  5. Step 5: Solve for x
    x = 351,168,333,116.16/656,147.34
  6. Step 6: Final answer
    x = 535,197.37

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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.