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Finding the Fourth Proportional to 655,604.46, 983,575.71 and 356,008.14

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Solution

The fourth proportional to 655,604.46, 983,575.71 and 356,008.14 is: 534,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,604.46 : 983,575.71 = 356,008.14 : x
  2. Step 2: Convert to fraction form
    655,604.46/983,575.71 = 356,008.14/x
  3. Step 3: Cross multiply
    655,604.46x = 983,575.71 × 356,008.14
  4. Step 4: Simplify right side
    655,604.46x = 350,160,959,066.28
  5. Step 5: Solve for x
    x = 350,160,959,066.28/655,604.46
  6. Step 6: Final answer
    x = 534,103.99

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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.