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Finding the Fourth Proportional to 417,445.33, 626,194.05 and 117,948.91

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Solution

The fourth proportional to 417,445.33, 626,194.05 and 117,948.91 is: 176,930.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,445.33 : 626,194.05 = 117,948.91 : x
  2. Step 2: Convert to fraction form
    417,445.33/626,194.05 = 117,948.91/x
  3. Step 3: Cross multiply
    417,445.33x = 626,194.05 × 117,948.91
  4. Step 4: Simplify right side
    417,445.33x = 73,858,905,645.99
  5. Step 5: Solve for x
    x = 73,858,905,645.99/417,445.33
  6. Step 6: Final answer
    x = 176,930.73

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1.5x scale

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.