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Finding the Fourth Proportional to 383,572.89, 575,338.63 and 117,333.44

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Solution

The fourth proportional to 383,572.89, 575,338.63 and 117,333.44 is: 175,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,572.89 : 575,338.63 = 117,333.44 : x
  2. Step 2: Convert to fraction form
    383,572.89/575,338.63 = 117,333.44/x
  3. Step 3: Cross multiply
    383,572.89x = 575,338.63 × 117,333.44
  4. Step 4: Simplify right side
    383,572.89x = 67,506,460,622.79
  5. Step 5: Solve for x
    x = 67,506,460,622.79/383,572.89
  6. Step 6: Final answer
    x = 175,993.83

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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.