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Finding the Fourth Proportional to 446,951.76, 616,793.36 and 245,747.76

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Solution

The fourth proportional to 446,951.76, 616,793.36 and 245,747.76 is: 339,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,951.76 : 616,793.36 = 245,747.76 : x
  2. Step 2: Convert to fraction form
    446,951.76/616,793.36 = 245,747.76/x
  3. Step 3: Cross multiply
    446,951.76x = 616,793.36 × 245,747.76
  4. Step 4: Simplify right side
    446,951.76x = 151,575,586,602.87
  5. Step 5: Solve for x
    x = 151,575,586,602.87/446,951.76
  6. Step 6: Final answer
    x = 339,131.87

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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.