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Finding the Fourth Proportional to 350,078.60, 524,513.10 and 162,705.80

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Solution

The fourth proportional to 350,078.60, 524,513.10 and 162,705.80 is: 243,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,078.60 : 524,513.10 = 162,705.80 : x
  2. Step 2: Convert to fraction form
    350,078.60/524,513.10 = 162,705.80/x
  3. Step 3: Cross multiply
    350,078.60x = 524,513.10 × 162,705.80
  4. Step 4: Simplify right side
    350,078.60x = 85,341,323,545.98
  5. Step 5: Solve for x
    x = 85,341,323,545.98/350,078.60
  6. Step 6: Final answer
    x = 243,777.61

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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.