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Finding the Fourth Proportional to 466,544.80, 643,852.30 and 262,608.88

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Solution

The fourth proportional to 466,544.80, 643,852.30 and 262,608.88 is: 362,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,544.80 : 643,852.30 = 262,608.88 : x
  2. Step 2: Convert to fraction form
    466,544.80/643,852.30 = 262,608.88/x
  3. Step 3: Cross multiply
    466,544.80x = 643,852.30 × 262,608.88
  4. Step 4: Simplify right side
    466,544.80x = 169,081,331,388.42
  5. Step 5: Solve for x
    x = 169,081,331,388.42/466,544.80
  6. Step 6: Final answer
    x = 362,411.78

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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.