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Finding the Fourth Proportional to 417,370.88, 626,093.80 and 117,854.48

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Solution

The fourth proportional to 417,370.88, 626,093.80 and 117,854.48 is: 176,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,370.88 : 626,093.80 = 117,854.48 : x
  2. Step 2: Convert to fraction form
    417,370.88/626,093.80 = 117,854.48/x
  3. Step 3: Cross multiply
    417,370.88x = 626,093.80 × 117,854.48
  4. Step 4: Simplify right side
    417,370.88x = 73,787,959,230.22
  5. Step 5: Solve for x
    x = 73,787,959,230.22/417,370.88
  6. Step 6: Final answer
    x = 176,792.30

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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.