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Finding the Fourth Proportional to 536,910.80, 805,366.20 and 162,952.40

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Solution

The fourth proportional to 536,910.80, 805,366.20 and 162,952.40 is: 244,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,910.80 : 805,366.20 = 162,952.40 : x
  2. Step 2: Convert to fraction form
    536,910.80/805,366.20 = 162,952.40/x
  3. Step 3: Cross multiply
    536,910.80x = 805,366.20 × 162,952.40
  4. Step 4: Simplify right side
    536,910.80x = 131,236,355,168.88
  5. Step 5: Solve for x
    x = 131,236,355,168.88/536,910.80
  6. Step 6: Final answer
    x = 244,428.60

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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.