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Finding the Fourth Proportional to 274,299.41, 411,612.65 and 122,484.76

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Solution

The fourth proportional to 274,299.41, 411,612.65 and 122,484.76 is: 183,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,299.41 : 411,612.65 = 122,484.76 : x
  2. Step 2: Convert to fraction form
    274,299.41/411,612.65 = 122,484.76/x
  3. Step 3: Cross multiply
    274,299.41x = 411,612.65 × 122,484.76
  4. Step 4: Simplify right side
    274,299.41x = 50,416,276,648.21
  5. Step 5: Solve for x
    x = 50,416,276,648.21/274,299.41
  6. Step 6: Final answer
    x = 183,800.16

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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.