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Finding the Fourth Proportional to 536,165.20, 804,701.40 and 220,848.40

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Solution

The fourth proportional to 536,165.20, 804,701.40 and 220,848.40 is: 331,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,165.20 : 804,701.40 = 220,848.40 : x
  2. Step 2: Convert to fraction form
    536,165.20/804,701.40 = 220,848.40/x
  3. Step 3: Cross multiply
    536,165.20x = 804,701.40 × 220,848.40
  4. Step 4: Simplify right side
    536,165.20x = 177,717,016,667.76
  5. Step 5: Solve for x
    x = 177,717,016,667.76/536,165.20
  6. Step 6: Final answer
    x = 331,459.44

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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.