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Finding the Fourth Proportional to 346,572.94, 519,918.52 and 154,517.05

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Solution

The fourth proportional to 346,572.94, 519,918.52 and 154,517.05 is: 231,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,572.94 : 519,918.52 = 154,517.05 : x
  2. Step 2: Convert to fraction form
    346,572.94/519,918.52 = 154,517.05/x
  3. Step 3: Cross multiply
    346,572.94x = 519,918.52 × 154,517.05
  4. Step 4: Simplify right side
    346,572.94x = 80,336,276,286.80
  5. Step 5: Solve for x
    x = 80,336,276,286.80/346,572.94
  6. Step 6: Final answer
    x = 231,801.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.