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Finding the Fourth Proportional to 531,743.67, 797,970.21 and 275,812.12

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Solution

The fourth proportional to 531,743.67, 797,970.21 and 275,812.12 is: 413,902.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,743.67 : 797,970.21 = 275,812.12 : x
  2. Step 2: Convert to fraction form
    531,743.67/797,970.21 = 275,812.12/x
  3. Step 3: Cross multiply
    531,743.67x = 797,970.21 × 275,812.12
  4. Step 4: Simplify right side
    531,743.67x = 220,089,851,942.96
  5. Step 5: Solve for x
    x = 220,089,851,942.96/531,743.67
  6. Step 6: Final answer
    x = 413,902.16

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1.5x scale

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.