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Finding the Fourth Proportional to 384,997.85, 531,362.58 and 223,946.25

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Solution

The fourth proportional to 384,997.85, 531,362.58 and 223,946.25 is: 309,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,997.85 : 531,362.58 = 223,946.25 : x
  2. Step 2: Convert to fraction form
    384,997.85/531,362.58 = 223,946.25/x
  3. Step 3: Cross multiply
    384,997.85x = 531,362.58 × 223,946.25
  4. Step 4: Simplify right side
    384,997.85x = 118,996,657,181.33
  5. Step 5: Solve for x
    x = 118,996,657,181.33/384,997.85
  6. Step 6: Final answer
    x = 309,083.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.