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Finding the Fourth Proportional to 457,051.16, 631,387.68 and 365,049.56

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Solution

The fourth proportional to 457,051.16, 631,387.68 and 365,049.56 is: 504,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,051.16 : 631,387.68 = 365,049.56 : x
  2. Step 2: Convert to fraction form
    457,051.16/631,387.68 = 365,049.56/x
  3. Step 3: Cross multiply
    457,051.16x = 631,387.68 × 365,049.56
  4. Step 4: Simplify right side
    457,051.16x = 230,487,794,773.42
  5. Step 5: Solve for x
    x = 230,487,794,773.42/457,051.16
  6. Step 6: Final answer
    x = 504,293.21

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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.