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Finding the Fourth Proportional to 534,529.36, 801,026.72 and 321,384.34

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Solution

The fourth proportional to 534,529.36, 801,026.72 and 321,384.34 is: 481,615.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,529.36 : 801,026.72 = 321,384.34 : x
  2. Step 2: Convert to fraction form
    534,529.36/801,026.72 = 321,384.34/x
  3. Step 3: Cross multiply
    534,529.36x = 801,026.72 × 321,384.34
  4. Step 4: Simplify right side
    534,529.36x = 257,437,443,729.57
  5. Step 5: Solve for x
    x = 257,437,443,729.57/534,529.36
  6. Step 6: Final answer
    x = 481,615.16

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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.