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Finding the Fourth Proportional to 383,492.73, 575,239.10 and 117,253.25

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Solution

The fourth proportional to 383,492.73, 575,239.10 and 117,253.25 is: 175,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,492.73 : 575,239.10 = 117,253.25 : x
  2. Step 2: Convert to fraction form
    383,492.73/575,239.10 = 117,253.25/x
  3. Step 3: Cross multiply
    383,492.73x = 575,239.10 × 117,253.25
  4. Step 4: Simplify right side
    383,492.73x = 67,448,650,539.61
  5. Step 5: Solve for x
    x = 67,448,650,539.61/383,492.73
  6. Step 6: Final answer
    x = 175,879.87

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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.