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Finding the Fourth Proportional to 585,425.60, 879,175.20 and 452,628.80

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Solution

The fourth proportional to 585,425.60, 879,175.20 and 452,628.80 is: 679,744.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,425.60 : 879,175.20 = 452,628.80 : x
  2. Step 2: Convert to fraction form
    585,425.60/879,175.20 = 452,628.80/x
  3. Step 3: Cross multiply
    585,425.60x = 879,175.20 × 452,628.80
  4. Step 4: Simplify right side
    585,425.60x = 397,940,015,765.76
  5. Step 5: Solve for x
    x = 397,940,015,765.76/585,425.60
  6. Step 6: Final answer
    x = 679,744.81

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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.