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Finding the Fourth Proportional to 536,253.07, 804,379.34 and 136,893.71

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Solution

The fourth proportional to 536,253.07, 804,379.34 and 136,893.71 is: 205,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,253.07 : 804,379.34 = 136,893.71 : x
  2. Step 2: Convert to fraction form
    536,253.07/804,379.34 = 136,893.71/x
  3. Step 3: Cross multiply
    536,253.07x = 804,379.34 × 136,893.71
  4. Step 4: Simplify right side
    536,253.07x = 110,114,472,099.95
  5. Step 5: Solve for x
    x = 110,114,472,099.95/536,253.07
  6. Step 6: Final answer
    x = 205,340.50

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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.