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Finding the Fourth Proportional to 358,821.60, 537,771.60 and 275,301.60

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Solution

The fourth proportional to 358,821.60, 537,771.60 and 275,301.60 is: 412,598.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,821.60 : 537,771.60 = 275,301.60 : x
  2. Step 2: Convert to fraction form
    358,821.60/537,771.60 = 275,301.60/x
  3. Step 3: Cross multiply
    358,821.60x = 537,771.60 × 275,301.60
  4. Step 4: Simplify right side
    358,821.60x = 148,049,381,914.56
  5. Step 5: Solve for x
    x = 148,049,381,914.56/358,821.60
  6. Step 6: Final answer
    x = 412,598.86

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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.