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Finding the Fourth Proportional to 417,247.35, 626,128.00 and 164,484.83

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Solution

The fourth proportional to 417,247.35, 626,128.00 and 164,484.83 is: 246,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,247.35 : 626,128.00 = 164,484.83 : x
  2. Step 2: Convert to fraction form
    417,247.35/626,128.00 = 164,484.83/x
  3. Step 3: Cross multiply
    417,247.35x = 626,128.00 × 164,484.83
  4. Step 4: Simplify right side
    417,247.35x = 102,988,555,732.99
  5. Step 5: Solve for x
    x = 102,988,555,732.99/417,247.35
  6. Step 6: Final answer
    x = 246,828.54

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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.