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Finding the Fourth Proportional to 625,257.84, 936,903.24 and 483,449.52

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Solution

The fourth proportional to 625,257.84, 936,903.24 and 483,449.52 is: 724,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,257.84 : 936,903.24 = 483,449.52 : x
  2. Step 2: Convert to fraction form
    625,257.84/936,903.24 = 483,449.52/x
  3. Step 3: Cross multiply
    625,257.84x = 936,903.24 × 483,449.52
  4. Step 4: Simplify right side
    625,257.84x = 452,945,421,664.45
  5. Step 5: Solve for x
    x = 452,945,421,664.45/625,257.84
  6. Step 6: Final answer
    x = 724,413.82

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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.