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Finding the Fourth Proportional to 338,011.46, 507,192.02 and 148,604.84

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Solution

The fourth proportional to 338,011.46, 507,192.02 and 148,604.84 is: 222,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,011.46 : 507,192.02 = 148,604.84 : x
  2. Step 2: Convert to fraction form
    338,011.46/507,192.02 = 148,604.84/x
  3. Step 3: Cross multiply
    338,011.46x = 507,192.02 × 148,604.84
  4. Step 4: Simplify right side
    338,011.46x = 75,371,188,981.38
  5. Step 5: Solve for x
    x = 75,371,188,981.38/338,011.46
  6. Step 6: Final answer
    x = 222,984.12

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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.