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Finding the Fourth Proportional to 562,212.48, 843,318.69 and 162,853.39

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Solution

The fourth proportional to 562,212.48, 843,318.69 and 162,853.39 is: 244,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,212.48 : 843,318.69 = 162,853.39 : x
  2. Step 2: Convert to fraction form
    562,212.48/843,318.69 = 162,853.39/x
  3. Step 3: Cross multiply
    562,212.48x = 843,318.69 × 162,853.39
  4. Step 4: Simplify right side
    562,212.48x = 137,337,307,516.86
  5. Step 5: Solve for x
    x = 137,337,307,516.86/562,212.48
  6. Step 6: Final answer
    x = 244,280.08

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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.