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Finding the Fourth Proportional to 383,752.89, 575,630.73 and 117,512.33

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Solution

The fourth proportional to 383,752.89, 575,630.73 and 117,512.33 is: 176,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,752.89 : 575,630.73 = 117,512.33 : x
  2. Step 2: Convert to fraction form
    383,752.89/575,630.73 = 117,512.33/x
  3. Step 3: Cross multiply
    383,752.89x = 575,630.73 × 117,512.33
  4. Step 4: Simplify right side
    383,752.89x = 67,643,705,423.75
  5. Step 5: Solve for x
    x = 67,643,705,423.75/383,752.89
  6. Step 6: Final answer
    x = 176,268.91

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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.