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Finding the Fourth Proportional to 351,007.11, 484,389.87 and 189,862.11

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Solution

The fourth proportional to 351,007.11, 484,389.87 and 189,862.11 is: 262,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,007.11 : 484,389.87 = 189,862.11 : x
  2. Step 2: Convert to fraction form
    351,007.11/484,389.87 = 189,862.11/x
  3. Step 3: Cross multiply
    351,007.11x = 484,389.87 × 189,862.11
  4. Step 4: Simplify right side
    351,007.11x = 91,967,282,780.83
  5. Step 5: Solve for x
    x = 91,967,282,780.83/351,007.11
  6. Step 6: Final answer
    x = 262,009.74

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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.