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Finding the Fourth Proportional to 536,389.66, 804,584.50 and 137,031.32

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Solution

The fourth proportional to 536,389.66, 804,584.50 and 137,031.32 is: 205,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,389.66 : 804,584.50 = 137,031.32 : x
  2. Step 2: Convert to fraction form
    536,389.66/804,584.50 = 137,031.32/x
  3. Step 3: Cross multiply
    536,389.66x = 804,584.50 × 137,031.32
  4. Step 4: Simplify right side
    536,389.66x = 110,253,276,086.54
  5. Step 5: Solve for x
    x = 110,253,276,086.54/536,389.66
  6. Step 6: Final answer
    x = 205,546.98

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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.