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Finding the Fourth Proportional to 383,530.56, 575,203.57 and 117,293.38

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Solution

The fourth proportional to 383,530.56, 575,203.57 and 117,293.38 is: 175,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,530.56 : 575,203.57 = 117,293.38 : x
  2. Step 2: Convert to fraction form
    383,530.56/575,203.57 = 117,293.38/x
  3. Step 3: Cross multiply
    383,530.56x = 575,203.57 × 117,293.38
  4. Step 4: Simplify right side
    383,530.56x = 67,467,570,326.90
  5. Step 5: Solve for x
    x = 67,467,570,326.90/383,530.56
  6. Step 6: Final answer
    x = 175,911.85

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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.