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Finding the Fourth Proportional to 341,661.81, 471,551.06 and 198,504.93

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Solution

The fourth proportional to 341,661.81, 471,551.06 and 198,504.93 is: 273,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,661.81 : 471,551.06 = 198,504.93 : x
  2. Step 2: Convert to fraction form
    341,661.81/471,551.06 = 198,504.93/x
  3. Step 3: Cross multiply
    341,661.81x = 471,551.06 × 198,504.93
  4. Step 4: Simplify right side
    341,661.81x = 93,605,210,156.73
  5. Step 5: Solve for x
    x = 93,605,210,156.73/341,661.81
  6. Step 6: Final answer
    x = 273,970.36

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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.