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Finding the Fourth Proportional to 1,231.02, 1,846.98 and 500.76

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Solution

The fourth proportional to 1,231.02, 1,846.98 and 500.76 is: 751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.02 : 1,846.98 = 500.76 : x
  2. Step 2: Convert to fraction form
    1,231.02/1,846.98 = 500.76/x
  3. Step 3: Cross multiply
    1,231.02x = 1,846.98 × 500.76
  4. Step 4: Simplify right side
    1,231.02x = 924,893.70
  5. Step 5: Solve for x
    x = 924,893.70/1,231.02
  6. Step 6: Final answer
    x = 751.32

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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.