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Finding the Fourth Proportional to 383,573.58, 575,339.66 and 117,334.12

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Solution

The fourth proportional to 383,573.58, 575,339.66 and 117,334.12 is: 175,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,573.58 : 575,339.66 = 117,334.12 : x
  2. Step 2: Convert to fraction form
    383,573.58/575,339.66 = 117,334.12/x
  3. Step 3: Cross multiply
    383,573.58x = 575,339.66 × 117,334.12
  4. Step 4: Simplify right side
    383,573.58x = 67,506,972,200.94
  5. Step 5: Solve for x
    x = 67,506,972,200.94/383,573.58
  6. Step 6: Final answer
    x = 175,994.85

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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.