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Finding the Fourth Proportional to 668,290.40, 1,002,479.28 and 194,936

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Solution

The fourth proportional to 668,290.40, 1,002,479.28 and 194,936 is: 292,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,290.40 : 1,002,479.28 = 194,936 : x
  2. Step 2: Convert to fraction form
    668,290.40/1,002,479.28 = 194,936/x
  3. Step 3: Cross multiply
    668,290.40x = 1,002,479.28 × 194,936
  4. Step 4: Simplify right side
    668,290.40x = 195,419,300,926.08
  5. Step 5: Solve for x
    x = 195,419,300,926.08/668,290.40
  6. Step 6: Final answer
    x = 292,416.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.