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Finding the Fourth Proportional to 631,014.72, 946,524.48 and 157,700.56

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Solution

The fourth proportional to 631,014.72, 946,524.48 and 157,700.56 is: 236,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,014.72 : 946,524.48 = 157,700.56 : x
  2. Step 2: Convert to fraction form
    631,014.72/946,524.48 = 157,700.56/x
  3. Step 3: Cross multiply
    631,014.72x = 946,524.48 × 157,700.56
  4. Step 4: Simplify right side
    631,014.72x = 149,267,440,549.71
  5. Step 5: Solve for x
    x = 149,267,440,549.71/631,014.72
  6. Step 6: Final answer
    x = 236,551.44

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Similar ratio
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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.