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Finding the Fourth Proportional to 622,512.30, 933,877.80 and 223,384.80

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Solution

The fourth proportional to 622,512.30, 933,877.80 and 223,384.80 is: 335,116.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,512.30 : 933,877.80 = 223,384.80 : x
  2. Step 2: Convert to fraction form
    622,512.30/933,877.80 = 223,384.80/x
  3. Step 3: Cross multiply
    622,512.30x = 933,877.80 × 223,384.80
  4. Step 4: Simplify right side
    622,512.30x = 208,614,105,577.44
  5. Step 5: Solve for x
    x = 208,614,105,577.44/622,512.30
  6. Step 6: Final answer
    x = 335,116.44

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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.