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Finding the Fourth Proportional to 368,199.63, 508,112.28 and 207,051.24

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Solution

The fourth proportional to 368,199.63, 508,112.28 and 207,051.24 is: 285,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,199.63 : 508,112.28 = 207,051.24 : x
  2. Step 2: Convert to fraction form
    368,199.63/508,112.28 = 207,051.24/x
  3. Step 3: Cross multiply
    368,199.63x = 508,112.28 × 207,051.24
  4. Step 4: Simplify right side
    368,199.63x = 105,205,277,633.23
  5. Step 5: Solve for x
    x = 105,205,277,633.23/368,199.63
  6. Step 6: Final answer
    x = 285,728.91

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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.