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Finding the Fourth Proportional to 536,628.20, 804,942.30 and 162,602.60

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Solution

The fourth proportional to 536,628.20, 804,942.30 and 162,602.60 is: 243,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,628.20 : 804,942.30 = 162,602.60 : x
  2. Step 2: Convert to fraction form
    536,628.20/804,942.30 = 162,602.60/x
  3. Step 3: Cross multiply
    536,628.20x = 804,942.30 × 162,602.60
  4. Step 4: Simplify right side
    536,628.20x = 130,885,710,829.98
  5. Step 5: Solve for x
    x = 130,885,710,829.98/536,628.20
  6. Step 6: Final answer
    x = 243,903.90

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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.