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Finding the Fourth Proportional to 616,046.51, 922,250.21 and 455,053.44

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Solution

The fourth proportional to 616,046.51, 922,250.21 and 455,053.44 is: 681,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,046.51 : 922,250.21 = 455,053.44 : x
  2. Step 2: Convert to fraction form
    616,046.51/922,250.21 = 455,053.44/x
  3. Step 3: Cross multiply
    616,046.51x = 922,250.21 × 455,053.44
  4. Step 4: Simplify right side
    616,046.51x = 419,673,131,784.39
  5. Step 5: Solve for x
    x = 419,673,131,784.39/616,046.51
  6. Step 6: Final answer
    x = 681,236.11

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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.