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Finding the Fourth Proportional to 591,507.80, 887,917.80 and 367,121.60

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Solution

The fourth proportional to 591,507.80, 887,917.80 and 367,121.60 is: 551,089.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,507.80 : 887,917.80 = 367,121.60 : x
  2. Step 2: Convert to fraction form
    591,507.80/887,917.80 = 367,121.60/x
  3. Step 3: Cross multiply
    591,507.80x = 887,917.80 × 367,121.60
  4. Step 4: Simplify right side
    591,507.80x = 325,973,803,404.48
  5. Step 5: Solve for x
    x = 325,973,803,404.48/591,507.80
  6. Step 6: Final answer
    x = 551,089.61

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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.