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Finding the Fourth Proportional to 383,884.04, 529,761.81 and 211,802.00

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Solution

The fourth proportional to 383,884.04, 529,761.81 and 211,802.00 is: 292,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,884.04 : 529,761.81 = 211,802.00 : x
  2. Step 2: Convert to fraction form
    383,884.04/529,761.81 = 211,802.00/x
  3. Step 3: Cross multiply
    383,884.04x = 529,761.81 × 211,802.00
  4. Step 4: Simplify right side
    383,884.04x = 112,204,608,232.81
  5. Step 5: Solve for x
    x = 112,204,608,232.81/383,884.04
  6. Step 6: Final answer
    x = 292,287.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.