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Finding the Fourth Proportional to 431,611.08, 595,609.59 and 238,026.96

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Solution

The fourth proportional to 431,611.08, 595,609.59 and 238,026.96 is: 328,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,611.08 : 595,609.59 = 238,026.96 : x
  2. Step 2: Convert to fraction form
    431,611.08/595,609.59 = 238,026.96/x
  3. Step 3: Cross multiply
    431,611.08x = 595,609.59 × 238,026.96
  4. Step 4: Simplify right side
    431,611.08x = 141,771,140,054.55
  5. Step 5: Solve for x
    x = 141,771,140,054.55/431,611.08
  6. Step 6: Final answer
    x = 328,469.65

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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.