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Finding the Fourth Proportional to 484,763.85, 727,182.23 and 129,770.01

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Solution

The fourth proportional to 484,763.85, 727,182.23 and 129,770.01 is: 194,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,763.85 : 727,182.23 = 129,770.01 : x
  2. Step 2: Convert to fraction form
    484,763.85/727,182.23 = 129,770.01/x
  3. Step 3: Cross multiply
    484,763.85x = 727,182.23 × 129,770.01
  4. Step 4: Simplify right side
    484,763.85x = 94,366,444,610.07
  5. Step 5: Solve for x
    x = 94,366,444,610.07/484,763.85
  6. Step 6: Final answer
    x = 194,664.77

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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.