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Finding the Fourth Proportional to 446,678.26, 616,166.49 and 274,476.58

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Solution

The fourth proportional to 446,678.26, 616,166.49 and 274,476.58 is: 378,624.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,678.26 : 616,166.49 = 274,476.58 : x
  2. Step 2: Convert to fraction form
    446,678.26/616,166.49 = 274,476.58/x
  3. Step 3: Cross multiply
    446,678.26x = 616,166.49 × 274,476.58
  4. Step 4: Simplify right side
    446,678.26x = 169,123,270,885.80
  5. Step 5: Solve for x
    x = 169,123,270,885.80/446,678.26
  6. Step 6: Final answer
    x = 378,624.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.