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Finding the Fourth Proportional to 655,971.30, 983,956.95 and 655,971.30

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Solution

The fourth proportional to 655,971.30, 983,956.95 and 655,971.30 is: 983,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,971.30 : 983,956.95 = 655,971.30 : x
  2. Step 2: Convert to fraction form
    655,971.30/983,956.95 = 655,971.30/x
  3. Step 3: Cross multiply
    655,971.30x = 983,956.95 × 655,971.30
  4. Step 4: Simplify right side
    655,971.30x = 645,447,519,635.54
  5. Step 5: Solve for x
    x = 645,447,519,635.54/655,971.30
  6. Step 6: Final answer
    x = 983,956.95

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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.