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Finding the Fourth Proportional to 383,492.23, 575,238.35 and 117,252.75

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Solution

The fourth proportional to 383,492.23, 575,238.35 and 117,252.75 is: 175,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,492.23 : 575,238.35 = 117,252.75 : x
  2. Step 2: Convert to fraction form
    383,492.23/575,238.35 = 117,252.75/x
  3. Step 3: Cross multiply
    383,492.23x = 575,238.35 × 117,252.75
  4. Step 4: Simplify right side
    383,492.23x = 67,448,278,442.96
  5. Step 5: Solve for x
    x = 67,448,278,442.96/383,492.23
  6. Step 6: Final answer
    x = 175,879.13

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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.