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Finding the Fourth Proportional to 446,618.72, 616,361.39 and 255,627.74

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Solution

The fourth proportional to 446,618.72, 616,361.39 and 255,627.74 is: 352,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,618.72 : 616,361.39 = 255,627.74 : x
  2. Step 2: Convert to fraction form
    446,618.72/616,361.39 = 255,627.74/x
  3. Step 3: Cross multiply
    446,618.72x = 616,361.39 × 255,627.74
  4. Step 4: Simplify right side
    446,618.72x = 157,559,064,789.01
  5. Step 5: Solve for x
    x = 157,559,064,789.01/446,618.72
  6. Step 6: Final answer
    x = 352,782.05

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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.