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Finding the Fourth Proportional to 484,967.58, 669,276.03 and 270,107.70

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Solution

The fourth proportional to 484,967.58, 669,276.03 and 270,107.70 is: 372,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,967.58 : 669,276.03 = 270,107.70 : x
  2. Step 2: Convert to fraction form
    484,967.58/669,276.03 = 270,107.70/x
  3. Step 3: Cross multiply
    484,967.58x = 669,276.03 × 270,107.70
  4. Step 4: Simplify right side
    484,967.58x = 180,776,609,128.43
  5. Step 5: Solve for x
    x = 180,776,609,128.43/484,967.58
  6. Step 6: Final answer
    x = 372,760.19

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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.