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Finding the Fourth Proportional to 479,729.42, 719,592.70 and 195,353.00

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Solution

The fourth proportional to 479,729.42, 719,592.70 and 195,353.00 is: 293,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,729.42 : 719,592.70 = 195,353.00 : x
  2. Step 2: Convert to fraction form
    479,729.42/719,592.70 = 195,353.00/x
  3. Step 3: Cross multiply
    479,729.42x = 719,592.70 × 195,353.00
  4. Step 4: Simplify right side
    479,729.42x = 140,574,589,125.14
  5. Step 5: Solve for x
    x = 140,574,589,125.14/479,729.42
  6. Step 6: Final answer
    x = 293,028.91

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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.