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Finding the Fourth Proportional to 448,607.70, 672,714.66 and 167,928.12

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Solution

The fourth proportional to 448,607.70, 672,714.66 and 167,928.12 is: 251,818.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,607.70 : 672,714.66 = 167,928.12 : x
  2. Step 2: Convert to fraction form
    448,607.70/672,714.66 = 167,928.12/x
  3. Step 3: Cross multiply
    448,607.70x = 672,714.66 × 167,928.12
  4. Step 4: Simplify right side
    448,607.70x = 112,967,708,150.24
  5. Step 5: Solve for x
    x = 112,967,708,150.24/448,607.70
  6. Step 6: Final answer
    x = 251,818.48

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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.