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Finding the Fourth Proportional to 479,634.57, 719,522.93 and 159,681.94

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Solution

The fourth proportional to 479,634.57, 719,522.93 and 159,681.94 is: 239,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,634.57 : 719,522.93 = 159,681.94 : x
  2. Step 2: Convert to fraction form
    479,634.57/719,522.93 = 159,681.94/x
  3. Step 3: Cross multiply
    479,634.57x = 719,522.93 × 159,681.94
  4. Step 4: Simplify right side
    479,634.57x = 114,894,815,937.28
  5. Step 5: Solve for x
    x = 114,894,815,937.28/479,634.57
  6. Step 6: Final answer
    x = 239,546.57

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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.