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Finding the Fourth Proportional to 467,008.56, 644,352.90 and 285,654.24

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Solution

The fourth proportional to 467,008.56, 644,352.90 and 285,654.24 is: 394,130.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,008.56 : 644,352.90 = 285,654.24 : x
  2. Step 2: Convert to fraction form
    467,008.56/644,352.90 = 285,654.24/x
  3. Step 3: Cross multiply
    467,008.56x = 644,352.90 × 285,654.24
  4. Step 4: Simplify right side
    467,008.56x = 184,062,137,941.30
  5. Step 5: Solve for x
    x = 184,062,137,941.30/467,008.56
  6. Step 6: Final answer
    x = 394,130.12

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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.