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Finding the Fourth Proportional to 536,432.84, 804,646.98 and 137,072.98

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Solution

The fourth proportional to 536,432.84, 804,646.98 and 137,072.98 is: 205,608.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,432.84 : 804,646.98 = 137,072.98 : x
  2. Step 2: Convert to fraction form
    536,432.84/804,646.98 = 137,072.98/x
  3. Step 3: Cross multiply
    536,432.84x = 804,646.98 × 137,072.98
  4. Step 4: Simplify right side
    536,432.84x = 110,295,359,396.60
  5. Step 5: Solve for x
    x = 110,295,359,396.60/536,432.84
  6. Step 6: Final answer
    x = 205,608.89

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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.