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Finding the Fourth Proportional to 446,657.28, 616,398.72 and 245,458.56

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Solution

The fourth proportional to 446,657.28, 616,398.72 and 245,458.56 is: 338,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,657.28 : 616,398.72 = 245,458.56 : x
  2. Step 2: Convert to fraction form
    446,657.28/616,398.72 = 245,458.56/x
  3. Step 3: Cross multiply
    446,657.28x = 616,398.72 × 245,458.56
  4. Step 4: Simplify right side
    446,657.28x = 151,300,342,197.04
  5. Step 5: Solve for x
    x = 151,300,342,197.04/446,657.28
  6. Step 6: Final answer
    x = 338,739.23

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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.