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Finding the Fourth Proportional to 448,287.60, 672,431.40 and 167,768.40

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Solution

The fourth proportional to 448,287.60, 672,431.40 and 167,768.40 is: 251,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,287.60 : 672,431.40 = 167,768.40 : x
  2. Step 2: Convert to fraction form
    448,287.60/672,431.40 = 167,768.40/x
  3. Step 3: Cross multiply
    448,287.60x = 672,431.40 × 167,768.40
  4. Step 4: Simplify right side
    448,287.60x = 112,812,740,087.76
  5. Step 5: Solve for x
    x = 112,812,740,087.76/448,287.60
  6. Step 6: Final answer
    x = 251,652.60

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Similar ratio
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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.