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Finding the Fourth Proportional to 575,632.80, 863,371.44 and 154,933.92

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Solution

The fourth proportional to 575,632.80, 863,371.44 and 154,933.92 is: 232,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,632.80 : 863,371.44 = 154,933.92 : x
  2. Step 2: Convert to fraction form
    575,632.80/863,371.44 = 154,933.92/x
  3. Step 3: Cross multiply
    575,632.80x = 863,371.44 × 154,933.92
  4. Step 4: Simplify right side
    575,632.80x = 133,765,521,615.25
  5. Step 5: Solve for x
    x = 133,765,521,615.25/575,632.80
  6. Step 6: Final answer
    x = 232,379.95

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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.