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Finding the Fourth Proportional to 446,514, 616,189.56 and 245,322.96

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Solution

The fourth proportional to 446,514, 616,189.56 and 245,322.96 is: 338,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,514 : 616,189.56 = 245,322.96 : x
  2. Step 2: Convert to fraction form
    446,514/616,189.56 = 245,322.96/x
  3. Step 3: Cross multiply
    446,514x = 616,189.56 × 245,322.96
  4. Step 4: Simplify right side
    446,514x = 151,165,446,780.30
  5. Step 5: Solve for x
    x = 151,165,446,780.30/446,514
  6. Step 6: Final answer
    x = 338,545.82

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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.