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Finding the Fourth Proportional to 491,611.68, 737,570.61 and 176,071.32

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Solution

The fourth proportional to 491,611.68, 737,570.61 and 176,071.32 is: 264,161.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,611.68 : 737,570.61 = 176,071.32 : x
  2. Step 2: Convert to fraction form
    491,611.68/737,570.61 = 176,071.32/x
  3. Step 3: Cross multiply
    491,611.68x = 737,570.61 × 176,071.32
  4. Step 4: Simplify right side
    491,611.68x = 129,865,030,895.91
  5. Step 5: Solve for x
    x = 129,865,030,895.91/491,611.68
  6. Step 6: Final answer
    x = 264,161.81

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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.