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Finding the Fourth Proportional to 655,776.82, 983,700.37 and 206,532.70

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Solution

The fourth proportional to 655,776.82, 983,700.37 and 206,532.70 is: 309,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,776.82 : 983,700.37 = 206,532.70 : x
  2. Step 2: Convert to fraction form
    655,776.82/983,700.37 = 206,532.70/x
  3. Step 3: Cross multiply
    655,776.82x = 983,700.37 × 206,532.70
  4. Step 4: Simplify right side
    655,776.82x = 203,166,291,206.01
  5. Step 5: Solve for x
    x = 203,166,291,206.01/655,776.82
  6. Step 6: Final answer
    x = 309,810.11

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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.