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Finding the Fourth Proportional to 450,648.63, 675,955.26 and 113,684.85

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Solution

The fourth proportional to 450,648.63, 675,955.26 and 113,684.85 is: 170,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,648.63 : 675,955.26 = 113,684.85 : x
  2. Step 2: Convert to fraction form
    450,648.63/675,955.26 = 113,684.85/x
  3. Step 3: Cross multiply
    450,648.63x = 675,955.26 × 113,684.85
  4. Step 4: Simplify right side
    450,648.63x = 76,845,872,339.81
  5. Step 5: Solve for x
    x = 76,845,872,339.81/450,648.63
  6. Step 6: Final answer
    x = 170,522.81

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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.