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Finding the Fourth Proportional to 448,475.20, 672,129.60 and 182,017.60

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Solution

The fourth proportional to 448,475.20, 672,129.60 and 182,017.60 is: 272,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,475.20 : 672,129.60 = 182,017.60 : x
  2. Step 2: Convert to fraction form
    448,475.20/672,129.60 = 182,017.60/x
  3. Step 3: Cross multiply
    448,475.20x = 672,129.60 × 182,017.60
  4. Step 4: Simplify right side
    448,475.20x = 122,339,416,680.96
  5. Step 5: Solve for x
    x = 122,339,416,680.96/448,475.20
  6. Step 6: Final answer
    x = 272,789.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.