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Finding the Fourth Proportional to 386,182.73, 578,519.96 and 183,490.38

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Solution

The fourth proportional to 386,182.73, 578,519.96 and 183,490.38 is: 274,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,182.73 : 578,519.96 = 183,490.38 : x
  2. Step 2: Convert to fraction form
    386,182.73/578,519.96 = 183,490.38/x
  3. Step 3: Cross multiply
    386,182.73x = 578,519.96 × 183,490.38
  4. Step 4: Simplify right side
    386,182.73x = 106,152,846,380.53
  5. Step 5: Solve for x
    x = 106,152,846,380.53/386,182.73
  6. Step 6: Final answer
    x = 274,877.25

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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.