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Finding the Fourth Proportional to 260,081.40, 363,647.40 and 260,081.40

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Solution

The fourth proportional to 260,081.40, 363,647.40 and 260,081.40 is: 363,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,081.40 : 363,647.40 = 260,081.40 : x
  2. Step 2: Convert to fraction form
    260,081.40/363,647.40 = 260,081.40/x
  3. Step 3: Cross multiply
    260,081.40x = 363,647.40 × 260,081.40
  4. Step 4: Simplify right side
    260,081.40x = 94,577,924,898.36
  5. Step 5: Solve for x
    x = 94,577,924,898.36/260,081.40
  6. Step 6: Final answer
    x = 363,647.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.