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Finding the Fourth Proportional to 655,860.84, 983,697.84 and 206,570.04

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Solution

The fourth proportional to 655,860.84, 983,697.84 and 206,570.04 is: 309,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,860.84 : 983,697.84 = 206,570.04 : x
  2. Step 2: Convert to fraction form
    655,860.84/983,697.84 = 206,570.04/x
  3. Step 3: Cross multiply
    655,860.84x = 983,697.84 × 206,570.04
  4. Step 4: Simplify right side
    655,860.84x = 203,202,502,156.71
  5. Step 5: Solve for x
    x = 203,202,502,156.71/655,860.84
  6. Step 6: Final answer
    x = 309,825.64

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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.