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Finding the Fourth Proportional to 260,597.76, 359,133.40 and 208,856.04

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Solution

The fourth proportional to 260,597.76, 359,133.40 and 208,856.04 is: 287,827.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,597.76 : 359,133.40 = 208,856.04 : x
  2. Step 2: Convert to fraction form
    260,597.76/359,133.40 = 208,856.04/x
  3. Step 3: Cross multiply
    260,597.76x = 359,133.40 × 208,856.04
  4. Step 4: Simplify right side
    260,597.76x = 75,007,179,755.74
  5. Step 5: Solve for x
    x = 75,007,179,755.74/260,597.76
  6. Step 6: Final answer
    x = 287,827.42

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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.