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Finding the Fourth Proportional to 536,467.20, 804,700.80 and 162,490.20

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Solution

The fourth proportional to 536,467.20, 804,700.80 and 162,490.20 is: 243,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,467.20 : 804,700.80 = 162,490.20 : x
  2. Step 2: Convert to fraction form
    536,467.20/804,700.80 = 162,490.20/x
  3. Step 3: Cross multiply
    536,467.20x = 804,700.80 × 162,490.20
  4. Step 4: Simplify right side
    536,467.20x = 130,755,993,932.16
  5. Step 5: Solve for x
    x = 130,755,993,932.16/536,467.20
  6. Step 6: Final answer
    x = 243,735.30

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Double scale
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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.