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Finding the Fourth Proportional to 446,601.42, 616,321.71 and 255,676.32

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Solution

The fourth proportional to 446,601.42, 616,321.71 and 255,676.32 is: 352,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,601.42 : 616,321.71 = 255,676.32 : x
  2. Step 2: Convert to fraction form
    446,601.42/616,321.71 = 255,676.32/x
  3. Step 3: Cross multiply
    446,601.42x = 616,321.71 × 255,676.32
  4. Step 4: Simplify right side
    446,601.42x = 157,578,866,748.91
  5. Step 5: Solve for x
    x = 157,578,866,748.91/446,601.42
  6. Step 6: Final answer
    x = 352,840.05

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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.