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Finding the Fourth Proportional to 350,539.68, 526,122 and 163,656.48

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Solution

The fourth proportional to 350,539.68, 526,122 and 163,656.48 is: 245,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,539.68 : 526,122 = 163,656.48 : x
  2. Step 2: Convert to fraction form
    350,539.68/526,122 = 163,656.48/x
  3. Step 3: Cross multiply
    350,539.68x = 526,122 × 163,656.48
  4. Step 4: Simplify right side
    350,539.68x = 86,103,274,570.56
  5. Step 5: Solve for x
    x = 86,103,274,570.56/350,539.68
  6. Step 6: Final answer
    x = 245,630.61

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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.