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Finding the Fourth Proportional to 482,780.35, 724,647.23 and 362,418.81

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Solution

The fourth proportional to 482,780.35, 724,647.23 and 362,418.81 is: 543,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,780.35 : 724,647.23 = 362,418.81 : x
  2. Step 2: Convert to fraction form
    482,780.35/724,647.23 = 362,418.81/x
  3. Step 3: Cross multiply
    482,780.35x = 724,647.23 × 362,418.81
  4. Step 4: Simplify right side
    482,780.35x = 262,625,783,595.95
  5. Step 5: Solve for x
    x = 262,625,783,595.95/482,780.35
  6. Step 6: Final answer
    x = 543,986.07

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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.