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Finding the Fourth Proportional to 802,094.54, 1,106,785.22 and 479,687.00

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Solution

The fourth proportional to 802,094.54, 1,106,785.22 and 479,687.00 is: 661,905.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,094.54 : 1,106,785.22 = 479,687.00 : x
  2. Step 2: Convert to fraction form
    802,094.54/1,106,785.22 = 479,687.00/x
  3. Step 3: Cross multiply
    802,094.54x = 1,106,785.22 × 479,687.00
  4. Step 4: Simplify right side
    802,094.54x = 530,910,473,893.78
  5. Step 5: Solve for x
    x = 530,910,473,893.78/802,094.54
  6. Step 6: Final answer
    x = 661,905.11

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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.