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Finding the Fourth Proportional to 456,143.93, 629,578.59 and 265,267.43

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Solution

The fourth proportional to 456,143.93, 629,578.59 and 265,267.43 is: 366,127.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,143.93 : 629,578.59 = 265,267.43 : x
  2. Step 2: Convert to fraction form
    456,143.93/629,578.59 = 265,267.43/x
  3. Step 3: Cross multiply
    456,143.93x = 629,578.59 × 265,267.43
  4. Step 4: Simplify right side
    456,143.93x = 167,006,694,552.32
  5. Step 5: Solve for x
    x = 167,006,694,552.32/456,143.93
  6. Step 6: Final answer
    x = 366,127.19

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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.