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Finding the Fourth Proportional to 484,859.60, 727,030.20 and 204,059.60

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Solution

The fourth proportional to 484,859.60, 727,030.20 and 204,059.60 is: 305,980.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,859.60 : 727,030.20 = 204,059.60 : x
  2. Step 2: Convert to fraction form
    484,859.60/727,030.20 = 204,059.60/x
  3. Step 3: Cross multiply
    484,859.60x = 727,030.20 × 204,059.60
  4. Step 4: Simplify right side
    484,859.60x = 148,357,491,799.92
  5. Step 5: Solve for x
    x = 148,357,491,799.92/484,859.60
  6. Step 6: Final answer
    x = 305,980.31

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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.