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Finding the Fourth Proportional to 536,510.51, 804,773.96 and 137,142.44

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Solution

The fourth proportional to 536,510.51, 804,773.96 and 137,142.44 is: 205,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,510.51 : 804,773.96 = 137,142.44 : x
  2. Step 2: Convert to fraction form
    536,510.51/804,773.96 = 137,142.44/x
  3. Step 3: Cross multiply
    536,510.51x = 804,773.96 × 137,142.44
  4. Step 4: Simplify right side
    536,510.51x = 110,368,664,522.86
  5. Step 5: Solve for x
    x = 110,368,664,522.86/536,510.51
  6. Step 6: Final answer
    x = 205,715.75

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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.