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Finding the Fourth Proportional to 446,645.34, 616,374.47 and 242,696.27

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Solution

The fourth proportional to 446,645.34, 616,374.47 and 242,696.27 is: 334,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,645.34 : 616,374.47 = 242,696.27 : x
  2. Step 2: Convert to fraction form
    446,645.34/616,374.47 = 242,696.27/x
  3. Step 3: Cross multiply
    446,645.34x = 616,374.47 × 242,696.27
  4. Step 4: Simplify right side
    446,645.34x = 149,591,780,496.87
  5. Step 5: Solve for x
    x = 149,591,780,496.87/446,645.34
  6. Step 6: Final answer
    x = 334,922.96

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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.