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Finding the Fourth Proportional to 260,011, 390,016.52 and 63,019

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Solution

The fourth proportional to 260,011, 390,016.52 and 63,019 is: 94,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,011 : 390,016.52 = 63,019 : x
  2. Step 2: Convert to fraction form
    260,011/390,016.52 = 63,019/x
  3. Step 3: Cross multiply
    260,011x = 390,016.52 × 63,019
  4. Step 4: Simplify right side
    260,011x = 24,578,451,073.88
  5. Step 5: Solve for x
    x = 24,578,451,073.88/260,011
  6. Step 6: Final answer
    x = 94,528.50

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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.