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Finding the Fourth Proportional to 446,615.71, 616,357.25 and 255,624.73

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Solution

The fourth proportional to 446,615.71, 616,357.25 and 255,624.73 is: 352,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,615.71 : 616,357.25 = 255,624.73 : x
  2. Step 2: Convert to fraction form
    446,615.71/616,357.25 = 255,624.73/x
  3. Step 3: Cross multiply
    446,615.71x = 616,357.25 × 255,624.73
  4. Step 4: Simplify right side
    446,615.71x = 157,556,153,754.37
  5. Step 5: Solve for x
    x = 157,556,153,754.37/446,615.71
  6. Step 6: Final answer
    x = 352,777.91

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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.