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Finding the Fourth Proportional to 436,051.16, 601,696.48 and 252,321.28

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Solution

The fourth proportional to 436,051.16, 601,696.48 and 252,321.28 is: 348,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,051.16 : 601,696.48 = 252,321.28 : x
  2. Step 2: Convert to fraction form
    436,051.16/601,696.48 = 252,321.28/x
  3. Step 3: Cross multiply
    436,051.16x = 601,696.48 × 252,321.28
  4. Step 4: Simplify right side
    436,051.16x = 151,820,826,005.09
  5. Step 5: Solve for x
    x = 151,820,826,005.09/436,051.16
  6. Step 6: Final answer
    x = 348,172.05

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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.