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Finding the Fourth Proportional to 633,511.25, 873,544.97 and 403,704.50

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Solution

The fourth proportional to 633,511.25, 873,544.97 and 403,704.50 is: 556,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,511.25 : 873,544.97 = 403,704.50 : x
  2. Step 2: Convert to fraction form
    633,511.25/873,544.97 = 403,704.50/x
  3. Step 3: Cross multiply
    633,511.25x = 873,544.97 × 403,704.50
  4. Step 4: Simplify right side
    633,511.25x = 352,654,035,341.37
  5. Step 5: Solve for x
    x = 352,654,035,341.37/633,511.25
  6. Step 6: Final answer
    x = 556,665.78

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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.