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Finding the Fourth Proportional to 479,396.84, 719,370.02 and 195,034.92

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Solution

The fourth proportional to 479,396.84, 719,370.02 and 195,034.92 is: 292,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,396.84 : 719,370.02 = 195,034.92 : x
  2. Step 2: Convert to fraction form
    479,396.84/719,370.02 = 195,034.92/x
  3. Step 3: Cross multiply
    479,396.84x = 719,370.02 × 195,034.92
  4. Step 4: Simplify right side
    479,396.84x = 140,302,274,301.10
  5. Step 5: Solve for x
    x = 140,302,274,301.10/479,396.84
  6. Step 6: Final answer
    x = 292,664.16

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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.