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Finding the Fourth Proportional to 467,472.64, 645,157.60 and 276,547.44

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Solution

The fourth proportional to 467,472.64, 645,157.60 and 276,547.44 is: 381,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,472.64 : 645,157.60 = 276,547.44 : x
  2. Step 2: Convert to fraction form
    467,472.64/645,157.60 = 276,547.44/x
  3. Step 3: Cross multiply
    467,472.64x = 645,157.60 × 276,547.44
  4. Step 4: Simplify right side
    467,472.64x = 178,416,682,676.54
  5. Step 5: Solve for x
    x = 178,416,682,676.54/467,472.64
  6. Step 6: Final answer
    x = 381,662.30

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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.