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Finding the Fourth Proportional to 330,652.12, 456,301.74 and 194,692

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Solution

The fourth proportional to 330,652.12, 456,301.74 and 194,692 is: 268,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,652.12 : 456,301.74 = 194,692 : x
  2. Step 2: Convert to fraction form
    330,652.12/456,301.74 = 194,692/x
  3. Step 3: Cross multiply
    330,652.12x = 456,301.74 × 194,692
  4. Step 4: Simplify right side
    330,652.12x = 88,838,298,364.08
  5. Step 5: Solve for x
    x = 88,838,298,364.08/330,652.12
  6. Step 6: Final answer
    x = 268,676.03

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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.