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Finding the Fourth Proportional to 536,490.70, 804,736.05 and 162,513.70

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Solution

The fourth proportional to 536,490.70, 804,736.05 and 162,513.70 is: 243,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,490.70 : 804,736.05 = 162,513.70 : x
  2. Step 2: Convert to fraction form
    536,490.70/804,736.05 = 162,513.70/x
  3. Step 3: Cross multiply
    536,490.70x = 804,736.05 × 162,513.70
  4. Step 4: Simplify right side
    536,490.70x = 130,780,633,008.89
  5. Step 5: Solve for x
    x = 130,780,633,008.89/536,490.70
  6. Step 6: Final answer
    x = 243,770.55

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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.