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Finding the Fourth Proportional to 631,010.75, 946,517.70 and 251,962.34

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Solution

The fourth proportional to 631,010.75, 946,517.70 and 251,962.34 is: 377,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,010.75 : 946,517.70 = 251,962.34 : x
  2. Step 2: Convert to fraction form
    631,010.75/946,517.70 = 251,962.34/x
  3. Step 3: Cross multiply
    631,010.75x = 946,517.70 × 251,962.34
  4. Step 4: Simplify right side
    631,010.75x = 238,486,814,543.42
  5. Step 5: Solve for x
    x = 238,486,814,543.42/631,010.75
  6. Step 6: Final answer
    x = 377,944.14

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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.