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Finding the Fourth Proportional to 482,199.59, 665,300.72 and 379,907.53

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Solution

The fourth proportional to 482,199.59, 665,300.72 and 379,907.53 is: 524,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,199.59 : 665,300.72 = 379,907.53 : x
  2. Step 2: Convert to fraction form
    482,199.59/665,300.72 = 379,907.53/x
  3. Step 3: Cross multiply
    482,199.59x = 665,300.72 × 379,907.53
  4. Step 4: Simplify right side
    482,199.59x = 252,752,752,528.94
  5. Step 5: Solve for x
    x = 252,752,752,528.94/482,199.59
  6. Step 6: Final answer
    x = 524,166.25

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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.