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Finding the Fourth Proportional to 383,508.50, 575,262.79 and 117,269.02

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Solution

The fourth proportional to 383,508.50, 575,262.79 and 117,269.02 is: 175,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,508.50 : 575,262.79 = 117,269.02 : x
  2. Step 2: Convert to fraction form
    383,508.50/575,262.79 = 117,269.02/x
  3. Step 3: Cross multiply
    383,508.50x = 575,262.79 × 117,269.02
  4. Step 4: Simplify right side
    383,508.50x = 67,460,501,894.44
  5. Step 5: Solve for x
    x = 67,460,501,894.44/383,508.50
  6. Step 6: Final answer
    x = 175,903.54

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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.