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Finding the Fourth Proportional to 383,360.55, 575,153.54 and 113,495.55

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Solution

The fourth proportional to 383,360.55, 575,153.54 and 113,495.55 is: 170,276.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,360.55 : 575,153.54 = 113,495.55 : x
  2. Step 2: Convert to fraction form
    383,360.55/575,153.54 = 113,495.55/x
  3. Step 3: Cross multiply
    383,360.55x = 575,153.54 × 113,495.55
  4. Step 4: Simplify right side
    383,360.55x = 65,277,364,764.72
  5. Step 5: Solve for x
    x = 65,277,364,764.72/383,360.55
  6. Step 6: Final answer
    x = 170,276.69

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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.