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Finding the Fourth Proportional to 722,375.51, 996,875.71 and 416,450.43

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Solution

The fourth proportional to 722,375.51, 996,875.71 and 416,450.43 is: 574,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,375.51 : 996,875.71 = 416,450.43 : x
  2. Step 2: Convert to fraction form
    722,375.51/996,875.71 = 416,450.43/x
  3. Step 3: Cross multiply
    722,375.51x = 996,875.71 × 416,450.43
  4. Step 4: Simplify right side
    722,375.51x = 415,149,317,044.93
  5. Step 5: Solve for x
    x = 415,149,317,044.93/722,375.51
  6. Step 6: Final answer
    x = 574,700.16

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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.