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Finding the Fourth Proportional to 724,124.88, 999,486.06 and 452,028.84

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Solution

The fourth proportional to 724,124.88, 999,486.06 and 452,028.84 is: 623,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,124.88 : 999,486.06 = 452,028.84 : x
  2. Step 2: Convert to fraction form
    724,124.88/999,486.06 = 452,028.84/x
  3. Step 3: Cross multiply
    724,124.88x = 999,486.06 × 452,028.84
  4. Step 4: Simplify right side
    724,124.88x = 451,796,524,297.97
  5. Step 5: Solve for x
    x = 451,796,524,297.97/724,124.88
  6. Step 6: Final answer
    x = 623,920.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.