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Finding the Fourth Proportional to 260,046.95, 389,487.23 and 260,046.95

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Solution

The fourth proportional to 260,046.95, 389,487.23 and 260,046.95 is: 389,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,046.95 : 389,487.23 = 260,046.95 : x
  2. Step 2: Convert to fraction form
    260,046.95/389,487.23 = 260,046.95/x
  3. Step 3: Cross multiply
    260,046.95x = 389,487.23 × 260,046.95
  4. Step 4: Simplify right side
    260,046.95x = 101,284,964,925.21
  5. Step 5: Solve for x
    x = 101,284,964,925.21/260,046.95
  6. Step 6: Final answer
    x = 389,487.23

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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.