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Finding the Fourth Proportional to 655,353.87, 983,055 and 295,454.37

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Solution

The fourth proportional to 655,353.87, 983,055 and 295,454.37 is: 443,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,353.87 : 983,055 = 295,454.37 : x
  2. Step 2: Convert to fraction form
    655,353.87/983,055 = 295,454.37/x
  3. Step 3: Cross multiply
    655,353.87x = 983,055 × 295,454.37
  4. Step 4: Simplify right side
    655,353.87x = 290,447,895,700.35
  5. Step 5: Solve for x
    x = 290,447,895,700.35/655,353.87
  6. Step 6: Final answer
    x = 443,192.46

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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.