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Finding the Fourth Proportional to 332,620.61, 499,127.75 and 122,406.17

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Solution

The fourth proportional to 332,620.61, 499,127.75 and 122,406.17 is: 183,681.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,620.61 : 499,127.75 = 122,406.17 : x
  2. Step 2: Convert to fraction form
    332,620.61/499,127.75 = 122,406.17/x
  3. Step 3: Cross multiply
    332,620.61x = 499,127.75 × 122,406.17
  4. Step 4: Simplify right side
    332,620.61x = 61,096,313,110.55
  5. Step 5: Solve for x
    x = 61,096,313,110.55/332,620.61
  6. Step 6: Final answer
    x = 183,681.68

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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.