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Finding the Fourth Proportional to 536,261.42, 804,495.81 and 203,811.50

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Solution

The fourth proportional to 536,261.42, 804,495.81 and 203,811.50 is: 305,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,261.42 : 804,495.81 = 203,811.50 : x
  2. Step 2: Convert to fraction form
    536,261.42/804,495.81 = 203,811.50/x
  3. Step 3: Cross multiply
    536,261.42x = 804,495.81 × 203,811.50
  4. Step 4: Simplify right side
    536,261.42x = 163,965,497,779.82
  5. Step 5: Solve for x
    x = 163,965,497,779.82/536,261.42
  6. Step 6: Final answer
    x = 305,756.65

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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.