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Finding the Fourth Proportional to 328,882.46, 493,341.10 and 104,260.41

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Solution

The fourth proportional to 328,882.46, 493,341.10 and 104,260.41 is: 156,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,882.46 : 493,341.10 = 104,260.41 : x
  2. Step 2: Convert to fraction form
    328,882.46/493,341.10 = 104,260.41/x
  3. Step 3: Cross multiply
    328,882.46x = 493,341.10 × 104,260.41
  4. Step 4: Simplify right side
    328,882.46x = 51,435,946,199.32
  5. Step 5: Solve for x
    x = 51,435,946,199.32/328,882.46
  6. Step 6: Final answer
    x = 156,396.14

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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.