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Finding the Fourth Proportional to 634,173.42, 951,478.92 and 397,233.84

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Solution

The fourth proportional to 634,173.42, 951,478.92 and 397,233.84 is: 595,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,173.42 : 951,478.92 = 397,233.84 : x
  2. Step 2: Convert to fraction form
    634,173.42/951,478.92 = 397,233.84/x
  3. Step 3: Cross multiply
    634,173.42x = 951,478.92 × 397,233.84
  4. Step 4: Simplify right side
    634,173.42x = 377,959,625,070.65
  5. Step 5: Solve for x
    x = 377,959,625,070.65/634,173.42
  6. Step 6: Final answer
    x = 595,987.81

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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.