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Finding the Fourth Proportional to 655,606.46, 983,578.71 and 356,010.14

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Solution

The fourth proportional to 655,606.46, 983,578.71 and 356,010.14 is: 534,106.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,606.46 : 983,578.71 = 356,010.14 : x
  2. Step 2: Convert to fraction form
    655,606.46/983,578.71 = 356,010.14/x
  3. Step 3: Cross multiply
    655,606.46x = 983,578.71 × 356,010.14
  4. Step 4: Simplify right side
    655,606.46x = 350,163,994,248.12
  5. Step 5: Solve for x
    x = 350,163,994,248.12/655,606.46
  6. Step 6: Final answer
    x = 534,106.99

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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.