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Finding the Fourth Proportional to 631,483.43, 946,586.89 and 271,888.84

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Solution

The fourth proportional to 631,483.43, 946,586.89 and 271,888.84 is: 407,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,483.43 : 946,586.89 = 271,888.84 : x
  2. Step 2: Convert to fraction form
    631,483.43/946,586.89 = 271,888.84/x
  3. Step 3: Cross multiply
    631,483.43x = 946,586.89 × 271,888.84
  4. Step 4: Simplify right side
    631,483.43x = 257,366,411,481.31
  5. Step 5: Solve for x
    x = 257,366,411,481.31/631,483.43
  6. Step 6: Final answer
    x = 407,558.46

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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.