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Finding the Fourth Proportional to 255,676.50, 352,464.66 and 178,958.16

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Solution

The fourth proportional to 255,676.50, 352,464.66 and 178,958.16 is: 246,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,676.50 : 352,464.66 = 178,958.16 : x
  2. Step 2: Convert to fraction form
    255,676.50/352,464.66 = 178,958.16/x
  3. Step 3: Cross multiply
    255,676.50x = 352,464.66 × 178,958.16
  4. Step 4: Simplify right side
    255,676.50x = 63,076,427,018.63
  5. Step 5: Solve for x
    x = 63,076,427,018.63/255,676.50
  6. Step 6: Final answer
    x = 246,704.05

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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.