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Finding the Fourth Proportional to 572,958.60, 859,624.20 and 273,400.35

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Solution

The fourth proportional to 572,958.60, 859,624.20 and 273,400.35 is: 410,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,958.60 : 859,624.20 = 273,400.35 : x
  2. Step 2: Convert to fraction form
    572,958.60/859,624.20 = 273,400.35/x
  3. Step 3: Cross multiply
    572,958.60x = 859,624.20 × 273,400.35
  4. Step 4: Simplify right side
    572,958.60x = 235,021,557,148.47
  5. Step 5: Solve for x
    x = 235,021,557,148.47/572,958.60
  6. Step 6: Final answer
    x = 410,189.42

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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.