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Finding the Fourth Proportional to 655,645.96, 983,637.96 and 356,049.64

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Solution

The fourth proportional to 655,645.96, 983,637.96 and 356,049.64 is: 534,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,645.96 : 983,637.96 = 356,049.64 : x
  2. Step 2: Convert to fraction form
    655,645.96/983,637.96 = 356,049.64/x
  3. Step 3: Cross multiply
    655,645.96x = 983,637.96 × 356,049.64
  4. Step 4: Simplify right side
    655,645.96x = 350,223,941,548.33
  5. Step 5: Solve for x
    x = 350,223,941,548.33/655,645.96
  6. Step 6: Final answer
    x = 534,166.25

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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.