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Finding the Fourth Proportional to 585,588.60, 879,419.70 and 452,791.80

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Solution

The fourth proportional to 585,588.60, 879,419.70 and 452,791.80 is: 679,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,588.60 : 879,419.70 = 452,791.80 : x
  2. Step 2: Convert to fraction form
    585,588.60/879,419.70 = 452,791.80/x
  3. Step 3: Cross multiply
    585,588.60x = 879,419.70 × 452,791.80
  4. Step 4: Simplify right side
    585,588.60x = 398,194,028,918.46
  5. Step 5: Solve for x
    x = 398,194,028,918.46/585,588.60
  6. Step 6: Final answer
    x = 679,989.38

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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.