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Finding the Fourth Proportional to 466,283.44, 643,703.52 and 305,385.04

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Solution

The fourth proportional to 466,283.44, 643,703.52 and 305,385.04 is: 421,583.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,283.44 : 643,703.52 = 305,385.04 : x
  2. Step 2: Convert to fraction form
    466,283.44/643,703.52 = 305,385.04/x
  3. Step 3: Cross multiply
    466,283.44x = 643,703.52 × 305,385.04
  4. Step 4: Simplify right side
    466,283.44x = 196,577,425,203.34
  5. Step 5: Solve for x
    x = 196,577,425,203.34/466,283.44
  6. Step 6: Final answer
    x = 421,583.54

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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.