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Finding the Fourth Proportional to 482,007.11, 722,297.93 and 455,047.54

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Solution

The fourth proportional to 482,007.11, 722,297.93 and 455,047.54 is: 681,898.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,007.11 : 722,297.93 = 455,047.54 : x
  2. Step 2: Convert to fraction form
    482,007.11/722,297.93 = 455,047.54/x
  3. Step 3: Cross multiply
    482,007.11x = 722,297.93 × 455,047.54
  4. Step 4: Simplify right side
    482,007.11x = 328,679,892,112.61
  5. Step 5: Solve for x
    x = 328,679,892,112.61/482,007.11
  6. Step 6: Final answer
    x = 681,898.44

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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.