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Finding the Fourth Proportional to 383,993.33, 575,968.43 and 117,753.11

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Solution

The fourth proportional to 383,993.33, 575,968.43 and 117,753.11 is: 176,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,993.33 : 575,968.43 = 117,753.11 : x
  2. Step 2: Convert to fraction form
    383,993.33/575,968.43 = 117,753.11/x
  3. Step 3: Cross multiply
    383,993.33x = 575,968.43 × 117,753.11
  4. Step 4: Simplify right side
    383,993.33x = 67,822,070,425.71
  5. Step 5: Solve for x
    x = 67,822,070,425.71/383,993.33
  6. Step 6: Final answer
    x = 176,623.05

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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.