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Finding the Fourth Proportional to 383,563.83, 575,253.32 and 117,326.64

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Solution

The fourth proportional to 383,563.83, 575,253.32 and 117,326.64 is: 175,961.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,563.83 : 575,253.32 = 117,326.64 : x
  2. Step 2: Convert to fraction form
    383,563.83/575,253.32 = 117,326.64/x
  3. Step 3: Cross multiply
    383,563.83x = 575,253.32 × 117,326.64
  4. Step 4: Simplify right side
    383,563.83x = 67,492,539,184.44
  5. Step 5: Solve for x
    x = 67,492,539,184.44/383,563.83
  6. Step 6: Final answer
    x = 175,961.69

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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.