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Finding the Fourth Proportional to 448,383.60, 672,575.40 and 167,864.40

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Solution

The fourth proportional to 448,383.60, 672,575.40 and 167,864.40 is: 251,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,383.60 : 672,575.40 = 167,864.40 : x
  2. Step 2: Convert to fraction form
    448,383.60/672,575.40 = 167,864.40/x
  3. Step 3: Cross multiply
    448,383.60x = 672,575.40 × 167,864.40
  4. Step 4: Simplify right side
    448,383.60x = 112,901,465,975.76
  5. Step 5: Solve for x
    x = 112,901,465,975.76/448,383.60
  6. Step 6: Final answer
    x = 251,796.60

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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.